Blue Team Knowledge Base

Blue Team members are the defenders of computer networks and systems. Below you shall find practical security guides, written to help you secure your networks and systems, and longer articles covering the theory of Cyber Defense (i.e. Cybersecurity Frameworks).

• Use an OS that is still supported by the vendor and receives security updates regularly.
• Install security updates at least monthly.
• Use a reasonably secure browser.
• Enable the host firewall that comes with the OS.
• Install an Antivirus Program.
• Don't use the computer with administrative privileges.
• If the device is mobile (laptops), encrypt the hard drive.

• Securing Linux Desktop
• Securing Macs
• Securing Windows Desktop

• Endpoint Detection & Response
• Privilege Management

• Use an OS that is still supported by the vendor and receives security updates regularly.
• Only install software that is actually needed for the specific role of the server.
• Patch all software on the server at least monthly.
• Enable the host firewall that comes with the server's OS.
• Change all default password to complex and long passwords.

• Securing Linux Servers
• Securing Windows Servers

• NIST Cyber Security Framework (NIST-CSF)