Browser extensions have become as common as mobile apps. People tend to download many and use few. There are over 176,000 browser extensions available on Google Chrome alone. These extensions offer users extra functionalities and customization options.
While browser extensions enhance the browsing experience, they also pose a danger. Understanding what those dangers are and how to mitigate them can be the difference between significant risks, and continued security.
Let’s examine the risks linked to browser extensions, highlighting the potential threats they present. We’ll also address some steps you can take to keep your browsers and your computers safer.
The Allure and Perils of Browser Extensions
Browser extensions are often hailed for their convenience and versatility. They are modules that users can add to their web browsers. They extend functionality and add customizable elements.
The variety of extensions is vast, from ad blockers and password managers to productivity tools. However, the ease with which users can install these extensions is a weakness, as it also introduces inherent security risks.
Next, we’ll delve into the hazards associated with browser extensions. It is imperative to strike a balance between the benefits and dangers.
Key Risks Posed by Browser Extensions
Privacy Intrusions
Many browser extensions request broad permissions, which, if abused, can compromise user privacy. Some of these include accessing browsing history and monitoring keystrokes. Certain extensions may overstep their intended functionality, leading to the unauthorized collection of sensitive information.
Users often grant permissions without thoroughly reviewing them. This causes them to unintentionally expose personal data to potential misuse.
Malicious Intent
There are many extensions developed with genuine intentions. But some extensions harbor malicious code. This code can exploit users for financial gain or other malicious purposes. These rogue extensions may inject unwanted ads. As well as track user activities or even deliver malware.
These extensions often use deceptive practices, making it challenging for users to distinguish between legitimate and malicious software.
Outdated or Abandoned Extensions
Extensions that are no longer maintained or updated pose a significant security risk. Outdated extensions may have unresolved vulnerabilities. Hackers can exploit them to gain access to a user’s browser. As well as potentially compromising their entire system. Without regular updates and security patches, these extensions become a liability.
Phishing and Social Engineering
Some malicious extensions engage in phishing attacks. As well as social engineering tactics. These attacks can trick users into divulging sensitive information.
This can include creating fake login pages or mimicking popular websites. These tactics lead unsuspecting users to unknowingly provide sensitive data, such as usernames, passwords, or other confidential details.
Browser Performance Impact
Certain extensions can significantly impact browser performance. This can happen because they are poorly coded or laden with unnecessary features. This results in a subpar user experience and can also lead to system slowdowns, crashes, or freezing. An extension’s perceived benefits may attract users, but they end up unwittingly sacrificing performance.
Mitigating the Risks: Best Practices for Browser Extension Security
1. Stick to Official Marketplaces
Download extensions only from official browser marketplaces, such as those connected with the browser developer (Google, Microsoft, etc.). These platforms have stringent security measures in place, reducing the likelihood of encountering malicious software.
2. Review Permissions Carefully
Before installing any extension, carefully review the permissions it requests. Be cautious if an extension seeks access to unusual data. Such as data that seems unrelated to its core functionality. Limit permissions to only what is essential for the extension’s intended purpose.
3. Keep Extensions Updated
Regularly update your browser extensions to ensure you have the latest security patches. Developers release updates to address vulnerabilities and enhance security. Is your favorite extension no longer offering security updates? Then it might be time to consider finding an alternative.
4. Limit the Number of Extensions
It’s tempting to install several extensions for various functionalities. But each added extension increases the potential attack surface. Only install extensions that are genuinely needed. Regularly review and uninstall those that are no longer in use.
5. Use Security Software
Use reputable antivirus and anti-malware software. Using security software adds an extra layer of protection against malicious extensions. These tools can detect and remove threats that may bypass browser security.
6. Educate Yourself
Stay informed about the potential risks associated with browser extensions. Understand the permissions you grant. Be aware of the types of threats that can arise from malicious software. Education is a powerful tool in mitigating security risks.
7. Report Suspicious Extensions
If you encounter a suspicious extension, report it. You should report it to the official browser extension marketplace and your IT team. This proactive step helps browser developers take prompt action. Browsers and IT teams are vested in keeping your computer and your network safe, and they usually take prompt action to address suspicious extensions.
8. Regularly Audit Your Extensions
Conduct regular audits of the extensions installed on your browser. Remove any that are unnecessary or pose potential security risks. Maintain a lean and secure browsing environment. This is a key aspect of online security.
Contact Us for Help with Online Cybersecurity
Browser extensions are just one way you or your employees can put a network at risk. Online security is multi-layered, including protections from phishing, endpoint threats, and more.
Don’t stay in the dark about your defenses. Hop-A-Long IT has managed services and security audits to help you assess your cybersecurity risk and solutions. We’re here to provide proactive steps for better protection for you and your business.
Give us a call today at (785) 877-7001 to schedule a chat with our expert IT security team!
Article adapted with permission from The Technology Press.