Category: Cyber Security

Posted on

VPN, All your Questions Answered

The Hype Around VPN's: Your Questions Answered

In the digital age, privacy and security are paramount, leading to a significant buzz around Virtual Private Networks (VPN's). A VPN is a service that encrypts your internet connection and routes it through a server in another location, masking your IP address and protecting your online activities from prying eyes. The hype is not without reason; VPN's offer several benefits that cater to various needs, from bypassing geo-restrictions to enhancing online privacy.

Why the Hype?

The increasing concern for digital privacy has catapulted VPN's into the limelight. With stories of data breaches and tracking by ISPs and governments, the desire for a more secure internet experience is driving the popularity of VPNs. They are often marketed as the ultimate tool for online anonymity and freedom, promising access to a world without digital borders.

Do You Need a VPN?

Determining whether you need a VPN depends on your online activities and concerns. If you frequently use public Wi-Fi, engage in sensitive transactions, or wish to access content restricted to certain regions, a VPN can be invaluable. It encrypts your data, making it difficult for hackers to intercept and misuse your information. Moreover, if you're concerned about your ISP monitoring your online habits, a VPN can provide a layer of anonymity.

However, VPN's are not a one-size-fits-all solution. They can sometimes slow down your internet connection due to the encryption process and the distance your data travels to the VPN server. Additionally, not all VPNs are created equal; some may log your data, negating the privacy benefits.

Dispelling Common VPN Myths: The Truth Behind Virtual Private Networks

Virtual Private Networks (VPN's) have become a staple in the toolkit of internet users who prioritize privacy and security. However, with their rise in popularity, several misconceptions have surfaced, leading to confusion about what VPN's can and cannot do. Let's address some of the most common myths and shed light on the realities of VPN usage.

Myth 1: VPN's Provide Complete Anonymity
One of the biggest misconceptions is that VPNs offer complete anonymity online. While VPN's do a great job of hiding your IP address and encrypting your internet traffic, they are not foolproof. Other methods of tracking, such as browser fingerprinting or cookies, can still identify you. A VPN is a crucial part of privacy protection, but it should be used in conjunction with other tools like incognito mode and tracker blockers for a more comprehensive approach.

Myth 2: VPN's Don't Collect Any Data
Many VPN providers advertise a "no-logs" policy, claiming they do not keep records of your online activities. However, the term "no-logs" can be misleading. Most VPN's may not keep long-term logs, but they might temporarily store data for technical reasons. It's essential to understand the specific policies of your VPN provider and consider their track record and jurisdiction when it comes to privacy.

Myth 3: VPN's Can Speed Up Your Internet Connection
Some users believe that VPN's can increase internet speed by bypassing ISP throttling. While this can be true in some cases, generally, VPN's can slow down your connection due to the encryption process and the distance your data travels to the server. It's important to choose a VPN known for its speed and reliability to minimize this impact.

Myth 4: Only Criminals Use VPN's
VPNs are often associated with illicit activities, but this is a narrow view of their purpose. The reality is that VPNs serve a variety of legal and legitimate uses, such as protecting privacy, securing data on public Wi-Fi, and accessing geo-restricted content. They are tools for enhancing security and freedom online, not just for circumventing laws.

Understanding the Security Risks of VPN's

Virtual Private Networks (VPN's) are widely used to enhance privacy and security on the internet. They create a secure tunnel for your data, protect your identity by hiding your IP address, and allow you to bypass geographical restrictions. However, like any technology, VPN's come with their own set of security risks that users should be aware of. Here's a detailed look at some of the potential vulnerabilities associated with using VPN's.

Compromised VPN Servers
One of the primary risks involves the VPN servers themselves. If a VPN server is compromised, malicious actors could potentially access all the data being routed through it. This could include sensitive information like passwords, financial details, and personal data.

Unreliable VPN Services
Not all VPN providers are trustworthy. Some may falsely claim not to keep logs of your activities, while in reality, they record and sell your browsing data. It's crucial to choose a VPN provider with a transparent and verified no-logs policy.

Weak Encryption Standards
VPN's use encryption to secure your data, but not all encryption is created equal. Some VPN's may use outdated or weak encryption standards, making it easier for cybercriminals to decrypt your data.

DNS Leaks
A DNS leak occurs when your VPN fails to secure your DNS queries, allowing your ISP or other third parties to see the websites you visit. This undermines the privacy aspect of using a VPN.

Malware and Phishing Risks
Some VPNs, especially free ones, may come bundled with malware or lead you to phishing sites. This can compromise your device's security and put your personal information at risk.

Man-in-the-Middle Attacks
VPN's can be susceptible to man-in-the-middle (MITM) attacks, where an attacker intercepts the communication between your device and the VPN server. This can lead to data theft or session hijacking.

VPN Hijacking
In a VPN hijacking scenario, an unauthorized user takes control of your VPN connection. This can happen if the VPN's authentication process is weak or if your device is already compromised.

Split Tunneling
Split tunneling allows you to route some of your traffic through the VPN while other traffic goes directly through your regular internet connection. While convenient, this can expose your non-VPN traffic to security risks.

Regulatory and Legal Risks
Depending on your location, using a VPN to access certain content may have legal implications. Additionally, VPN's may be subject to government subpoenas, which could expose your data if the VPN provider keeps logs.

Third-Party Tracking
Even with a VPN, third-party trackers like cookies can still follow your online activities. To fully protect your privacy, you'll need to use additional tools like tracker blockers.

While VPNs are a valuable tool for enhancing online privacy and security, they are not foolproof. Users must be aware of the potential risks and take steps to mitigate them. This includes choosing a reputable VPN provider, using strong encryption, avoiding free VPN's that may contain malware, and being mindful of the legal implications of using a VPN. By understanding these risks and taking proactive measures, you can enjoy the benefits of a VPN while minimizing the chances of compromising your digital security. For more information on selecting and hardening VPN's, consider the guidance provided by cybersecurity authorities like CISA and NSA.

Posted on

How To Fix CrowdStrike Blue Screen Issue

CrowdStrike Blue Screen Error, What Exactly Happened?

The recent events surrounding CrowdStrike have caused significant disruptions globally. A software update from the cybersecurity firm inadvertently led to widespread system outages, affecting various sectors including flights, hospitals, and businesses. The issue stemmed from a defect in the update for CrowdStrike's Falcon Sensor, which resulted in the infamous Blue Screen of Death on Windows computers where it was installed. This malfunction not only caused immediate operational delays but also highlighted the vulnerabilities and interdependencies in our global tech infrastructure.

CrowdStrike has since identified and isolated the problem, deploying a fix to mitigate the situation. The company's rapid growth and the widespread adoption of its services underscore the critical role cybersecurity firms play in safeguarding digital systems. However, this incident serves as a stark reminder of the potential consequences when even a single component within our interconnected digital ecosystem fails.

Who Is CrowdStrike?

In short, CrowdStrike is a Cybersecurity company that deploys software to help combat cyber threats.

In the ever-evolving cyber landscape, CrowdStrike has been at the forefront of combating cyber threats and preventing attacks that could have had devastating consequences. Their expertise and innovative technology have been pivotal in identifying and mitigating a range of high-profile cyberattacks.

One of the most significant cases where CrowdStrike played a crucial role was the Democratic National Committee (DNC) cyber attacks in 2015 and 2016. Russian hackers had infiltrated the DNC's systems, and CrowdStrike was instrumental in identifying the breach and removing the hacking programs.

Another notable instance was in 2014 when CrowdStrike discovered evidence linking North Korean actors to the hacking of servers at Sony Pictures. This cyberattack drew international attention and highlighted the need for robust cybersecurity measures.

CrowdStrike's 2024 Global Threat Report reveals the company's involvement in tracking over 230 adversaries, highlighting an alarming rise in covert activity and a cyber threat landscape dominated by stealth. The report also notes a record eCrime breakout time, indicating the speed at which cybercriminals are operating.

The company's efforts in preventing cloud intrusions have seen a 75% increase, showcasing the growing need to secure cloud environments against sophisticated attacks. CrowdStrike's ability to adapt and respond to these threats is a testament to their commitment to cybersecurity.

Moreover, CrowdStrike's intelligence has uncovered trends such as the use of generative AI by adversaries like SCATTERED SPIDER for social engineering and cloud-conscious attacks, demonstrating the complexity of modern cyber threats.

These examples are just a glimpse into the extensive work CrowdStrike does to protect organizations worldwide. Their proactive approach and advanced technology continue to be essential in the fight against cybercrime, ensuring the safety and security of digital infrastructures globally. For more insights into CrowdStrike's impact on cybersecurity, their Global Threat Reports offer a comprehensive overview of the threats they've countered and the strategies they employ to keep organizations safe.

How Do I fix The CrowdStrike Blue Screen Of Death Error?

The infamous 'Blue Screen of Death' (BSOD) is a dreaded event for any Windows user, indicating a system crash that requires immediate attention. Recently, a specific BSOD incident involving CrowdStrike's Falcon Sensor has affected numerous Windows PCs. This issue, stemming from a software update glitch, has left many users searching for a resolution.

CrowdStrike, a cybersecurity firm, has acknowledged the problem and provided a fix on their website. The solution involves booting the affected Windows PC into Safe Mode and deleting a specific file from the CrowdStrike software directory.

Here's a step-by-step guide to resolving the issue:

1. Boot your Windows PC into Safe Mode. This can be achieved by restarting your PC and pressing the F8 key before the Windows logo appears. Alternatively, if your PC is already displaying the BSOD, you can access Safe Mode through the advanced repair options. Another way - After 3 failed boots, windows will go into “Automatic Repair” mode.

1a. If drive encryption has been set up on your computer you will be prompted for your "Bitlocker Pin" - if you do the link provides info on How to get your Bitlocker recovery key

2. Once in Safe Mode, navigate to the C:\Windows\System32\drivers\CrowdStrike directory.

3. Locate and delete the file named C-00000291*.sys.

4. Restart your computer normally.

For users who find this process challenging, there is an alternative method. Rebooting the Windows system multiple times may also resolve the issue, as CrowdStrike has deployed a fix that can be applied during the startup process.

It's important to note that while these solutions have been effective for many, some PCs may still experience difficulties. In such cases, users are advised to refer to CrowdStrike's support portal for the latest updates and detailed guidance.

 

 

Posted on

The Importance of Antivirus in Cybersecurity

In the digital age, cybersecurity is a critical concern for individuals and organizations alike. With the increasing reliance on technology, the threat of cyber attacks has escalated, making the role of antivirus software more significant than ever.

Antivirus software serves as the first line of defense against a multitude of cyber threats. It is designed to detect, prevent, and remove malware, which includes viruses, worms, Trojans, ransomware, spyware, adware, and rootkits. These malicious programs can compromise system integrity, steal sensitive information, disrupt operations, and in severe cases, extort money through ransomware attacks.

The effectiveness of antivirus software lies in its ability to perform several key functions:

1. **Signature-Based Detection**: This traditional method involves comparing known malware signatures—unique patterns or characteristics of malware—with files on a system. If a match is found, the software takes action to neutralize the threat.

2. **Heuristic Analysis**: By employing rule-based algorithms, antivirus programs can detect suspicious behaviors or patterns that may indicate the presence of new, unknown malware.

3. **Behavioral Analysis**: Some advanced antivirus solutions monitor the behavior of applications in real-time. If an application acts similarly to known malware, it is flagged for further investigation.

4. **Sandboxing**: This technique involves running suspicious files in a controlled, isolated environment to observe their behavior without risking the system's security.

5. **Machine Learning and AI**: Modern antivirus software often incorporates machine learning and artificial intelligence to adapt and respond to evolving cyber threats more effectively.

The continuous evolution of antivirus software, with the integration of advanced technologies, ensures that it remains an indispensable tool in the cybersecurity arsenal. It's not just about having antivirus protection; it's also about ensuring that it is up-to-date, properly configured, and complemented by other security measures and best practices.

For individuals, antivirus software is often built into modern operating systems, providing a basic level of protection. However, third-party solutions can offer additional features and more robust security. It's crucial to research these products, understand their capabilities, and be aware of any potential costs associated with their use.

For businesses, the stakes are even higher. A single breach can lead to significant financial losses, damage to reputation, and legal consequences. Therefore, implementing a comprehensive cybersecurity strategy that includes antivirus software is essential. It's not just about protecting data; it's about safeguarding the trust of customers and the future of the business.

In conclusion, the importance of antivirus in cybersecurity cannot be overstated. It is a fundamental component that helps secure devices and protect personal and business information from the ever-growing range of cyber threats. As cybercriminals become more sophisticated, so too must our defenses. Antivirus software, with its various detection and prevention techniques, remains a cornerstone of effective cybersecurity, providing essential protection for our digital lives.

Do I need Antivirus for Apple Mac?

The question of whether Mac users need antivirus software is a topic of much debate. Historically, Macs have been praised for their robust built-in security features, which have given many the impression that additional antivirus software is unnecessary. However, the landscape of cybersecurity is ever-evolving, and with it, the threats facing Mac users.

Apple's macOS includes several security measures such as XProtect, Gatekeeper, and sandboxing to help protect users from malware and other cyber threats. XProtect works by using signatures to recognize and block malware, while Gatekeeper prevents untrusted software from running unless it's been signed by Apple. Sandboxing restricts apps to their intended functions, preventing them from accessing restricted parts of the operating system.

Despite these protections, the number of malware threats targeting Macs has been on the rise. In 2022, 13 new Mac malware families were discovered, which is a higher number compared to the previous year. Even Apple's software boss, Craig Federighi, has acknowledged the issue of Mac malware, noting that the level of malware on Macs is not acceptable and that one particular case had affected over 300,000 Macs.

So, do Mac users need antivirus software? The answer isn't straightforward. While Macs do get viruses, and the built-in protections are strong, they may not be foolproof against all types of malware, especially new and altered variants that could bypass detection rules. Antivirus software can offer an additional layer of protection, providing peace of mind for those who want to ensure their system is safeguarded against the latest threats.

Ultimately, the decision to use antivirus software on a Mac comes down to personal preference and assessment of risk. For users who are vigilant about security practices, such as avoiding phishing attacks and high-risk activities, the built-in features of macOS may suffice. However, for those seeking extra assurance, installing reputable antivirus software could be a wise choice.

It's important to stay informed about the current state of Mac security and to consider the pros and cons of using antivirus software. Whether you choose to rely solely on macOS's security features or to extend protection with additional software, being proactive about cybersecurity is key to keeping your Mac safe.

Which Antivirus product should I use in 2024?

In the digital age, protecting your devices and personal information has never been more crucial. With cyber threats evolving rapidly, selecting the right antivirus software is a key step in safeguarding your digital life. As we navigate through 2024, a variety of antivirus solutions are vying for the title of 'best', each offering unique features and levels of protection.

Bitdefender Antivirus Plus has been recognized for its comprehensive protection and multitude of features, including ransomware protection, a hardened browser for financial transactions, and VPN protection. It's a top choice for those seeking robust security with additional privacy benefits.

Norton AntiVirus Plus is another strong contender, known for its brand reliability and a suite of features that extend beyond basic antivirus protection. It offers identity theft protection and a smart firewall, among other tools, to keep your digital environment secure.

McAfee AntiVirus is praised for its effectiveness in single-PC households, providing a solid defense mechanism against a variety of cyber threats. Its easy-to-use interface and quick setup make it a user-friendly option for non-tech-savvy individuals.

For those who prioritize speed and efficiency, Malwarebytes Premium is noted for its speedy scans and minimal impact on system performance. It's an excellent choice for users who want fast, reliable protection without slowing down their devices.

Sophos Home Premium offers a cost-effective solution without compromising on quality. It's particularly appealing to budget-conscious users who still want comprehensive protection.

It's important to consider your specific needs when choosing antivirus software. Factors such as the number of devices, type of data stored, and your online behavior play a significant role in determining the most suitable antivirus for you.

Remember, the best antivirus is one that fits your requirements and provides peace of mind. Stay informed, stay protected, and choose wisely to ensure your digital safety in 2024 and beyond.

Posted on

Cybersecurity: How To Protect Your Business

Small businesses are increasingly becoming targets for cyber attacks, as they often have valuable information and resources but lack the same level of security as larger companies. It is important for small business owners to take proactive steps to protect their business from cyber threats.

Server Guru IT Support's Cybersecurity experts can conduct a small business cybersecurity risk assessment to point out vulnerabilities in IT systems.

Cybersecurity Stats For 2021-2022

The Australian Cybersecurity Centre's annual cyber threat report provides an overview of key cyber threats impacting Australia, how the ACSC is responding to the threat environment, and crucial advice for Australian individuals and organisations to protect themselves online.

The report shows:

  • During the 2021–22 financial year, over 76,000 cybercrime reports were made via ReportCyber, an increase of nearly 13 per cent from the previous financial year.
  • One cybercrime report is made approximately every 7 minutes, compared to one report every 8 minutes in 2020–21.
  • Cyber security incidents responded to by the ACSC are growing in severity.
  • Cybercrime has a significant impact on organisations of all sizes; in 2021–22 the average loss per report across businesses increased 14 per cent compared to 2020–21.
  • Cybercrime and cyber security incidents remain underreported and the ACSC urges Australian organisations and individuals to report all cybercrimes and cyber security incidents.
  • A rise in the average cost per cybercrime report to over $39,000 for small business, $88,000 for medium business, and over $62,000 for large business
  • 150,000 to 200,000 Small Office/Home Office routers in Australian homes and small businesses vulnerable to compromise

What Can Small Businesses Do To Protect Against Cyber Attacks

One of the first steps in small business cybersecurity is to create a strong password policy. Passwords should be long, complex, and unique, and should be changed regularly. Additionally, two-factor authentication should be used whenever possible to add an extra layer of security.

Another important step is to keep software and systems up-to-date. This includes not only operating systems and software, but also security software such as antivirus and firewall programs. Outdated software can contain vulnerabilities that hackers can exploit, so it is important to stay current with updates and patches.

Small businesses should also be aware of the potential for phishing scams, in which hackers use fake emails or websites to trick users into giving away personal information. Employees should be trained to recognise and avoid phishing attempts, and to report any suspicious emails or websites to IT or management.

It is also important for small businesses to have a disaster recovery plan in place in case of a cyber attack. This includes regular backups of important data and a plan for how to quickly and effectively respond to a security breach.

Small businesses owners are recommended to get an IT security company to conduct a small business cybersecurity risk assessment to identify security weaknesses in IT systems.

What Is A Small Business Cybersecurity Risk Assessment

A small business cybersecurity risk assessment is a process of evaluating the potential risks and vulnerabilities that a small business may face from cyber threats. The assessment typically includes identifying the types of sensitive data and systems that the business has, determining the likelihood and potential impact of different threats, and developing strategies to mitigate or prevent those risks.

During a risk assessment, a small business may take several steps, such as:

  • Identifying and inventorying all of the business's assets, including hardware, software, and sensitive data
  • Evaluating the current security controls and procedures in place, such as firewalls, antivirus software, and access controls
  • Assessing the potential vulnerabilities of the business's systems and data, such as outdated software or lack of encryption
  • Identifying the potential threats to the business, such as hacking, phishing, and malware
  • Determining the likelihood and potential impact of each identified risk
  • Developing and implementing a plan to mitigate or prevent identified risks.

The risk assessment process is an ongoing one, as the cyber threats and vulnerabilities are constantly changing and evolving. It is important for small businesses to review and update their risk assessments on a regular basis to ensure they are always aware of the potential risks they are facing, and to have a plan in place to mitigate or prevent them.

Posted on

Tech Support Scams Explained

A technical support scam, or tech support scam, is where a scammer claims to offer a technical support service or technical assistance to a user.

Scammers claim to be from a known company such as Telstra, Optus, Apple, Microsoft etc.

Tech support scammers use social media, fake websites and a variety of other sources to instill confidence to persuade their victim of problems on their computer or mobile device, such as a malware infection, services not working like shey should or telling the victim that their internet connection is slow and can be upgraded when in fact there are no issues.

The Technical support scammer would most likely ask the victim to load a remote access application on the victims computer, laptop or other device. The tech support scammer uses the remote access application to gain access to the victims device to pretend to repair the "issue".

The scammer will then persuade the victim to pay for the "fake" service provided by the tech support scammer.

The victim makes payment for the fictitious service and the scammer moves on to their next victim.

What to do if you were scammed

If at some point you realise that you have been victim to a technical support scam follow these steps:

  • Unplug your computer from the internet or switch it off
  • Call your bank and inform them of the scam, they might be able to cancel the transaction
  • If you have given the scammer details about your bank, call your bank notifying them of your concern
  • Report the incident to ScammWatch
  • Report the incident to the Police
  • If you gave the scammer any passwords, IMMEDIATELY change the passwords
  • Set up two factor authentication on all online accounts
  • Call an IT Professional that can remove the remote access application, clean your computer of malware and validate that it is safe to use

In short:

Tech support scammers use pressure scare tactics to get what they want. They impersonate technical support staff and sometimes pose as support staff from legitimate companies. They trick you in to believing that there is a problem and then either steals information or fix the "problem".

Proudly powered by WordPress