If you use Firefox, be sure you’re using the latest version. Firefox version 67.0.3 patches an actively exploited zero-day vulnerability.
If your Firefox version is out of date, an attacker could lead you to visit a malicious website, which would then execute code on your computer.
Read more about the vulnerability on Bleeping Computer.
You can download the latest version of Firefox here.
To avoid falling prey to this type of security issue:
- Keep your web browser up to date
- Don’t click on links from unsolicited emails
- Make sure you recognize the signs of phishing emails
- Be careful when clicking on links from social media or other sources
To keep things simple and secure, you can ensure Firefox is set to update automatically.
- Go to Tools -> Options.
- Go to General.
- Choose “Allow Firefox to” = “Automatically install updates (recommended).”