Cybersecurity Threat Prevention

Cybersecurity Threat Prevention

For this assignment, answer the following:

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To remove a keylogger, follow these steps:

Use Antivirus/Anti-Malware Software: Run a full system scan using trusted software like Malwarebytes, Bitdefender, or Windows Defender. These tools can detect and remove known keyloggers.
Update Your Software: Make sure your operating system and all installed software are up to date. Security patches often close vulnerabilities that keyloggers exploit.
Check for Suspicious Processes: Use Task Manager (Windows) or Activity Monitor (macOS) to find unknown or suspicious processes. Be cautious—research any unfamiliar ones before ending them.
Review Startup Programs: Use “msconfig” (Windows) or “Login Items” (macOS) to inspect programs that launch at startup. Disable anything suspicious.
Boot in Safe Mode: Starting your system in Safe Mode can help in removing persistent malware that resists removal during normal boot.
Reformat (Last Resort): If the infection is deep-rooted and cannot be removed, consider backing up essential data and reinstalling the OS.

To prevent or minimize port scanning, consider these defenses:

Firewall Configuration: Use firewalls (like iptables, pfSense) to block or limit responses to unsolicited traffic. Configure rules to restrict access to only necessary ports.
Intrusion Detection/Prevention Systems (IDS/IPS): Tools like Snort or Suricata can detect and block port scanning attempts in real time.
Port Knocking: Hide ports until a specific sequence of “knocks” (connection attempts) is received. It adds a layer of obscurity.
Close Unused Ports: Regularly audit and disable unused services and ports using netstat or nmap to reduce the attack surface.
Use TCP Wrappers: Allow or deny access to services based on IP addresses.
Deploy Honeypots: Divert scanners to dummy systems to log, monitor, and….