The government guidance includes:
- e antivirus software at all times — and make sure it’s set up to automatically scan your emails and removable media (e.g., flash drives) for ransomware and other malware.
- Keep all computers fully patched with security updates.
- Use security products or services that block access to known ransomware sites on the internet.
- Configure operating systems or use third-party software to allow only authorized applications to run on computers, thus preventing ransomware from working.
- Restrict or prohibit use of personally owned devices on your organization’s networks and for telework or remote access unless you’re taking extra steps to assure security.
NIST also advises users to follow these tips for their work computers:
- Use standard user accounts instead of accounts with administrative privileges whenever possible.
- Avoid using personal applications and websites, such as email, chat and social media, on work computers.
- Avoid opening files, clicking on links, etc. from unknown sources without first checking them for suspicious content. For example, you can run an antivirus scan on a file, and inspect links carefully.
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