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Google offers a free Cybersecurity course to help you build essential skills in protecting systems and networks. Enroll now to gain industry-relevant knowledge and earn a certification.
🔗 Course Link: Google Cybersecurity
You Should Know: Essential Cybersecurity Commands & Practices
Linux Security Commands
1. Check Open Ports
sudo netstat -tulnp
2. Scan for Vulnerabilities
sudo lynis audit system
3. Monitor Logs for Intrusions
sudo tail -f /var/log/auth.log
4. Check User Login History
last
5. Verify File Integrity (Hashing)
sha256sum /path/to/file
Windows Security Commands
1. Check Active Network Connections
netstat -ano
2. Scan for Malware with Windows Defender
MpCmdRun -Scan -ScanType 2
3. List All User Accounts
net user
4. Check Firewall Status
netsh advfirewall show allprofiles
5. Audit Failed Login Attempts
wevtutil qe Security /q:"[System[EventID=4625]]"
Cybersecurity Best Practices
- Enable 2FA on all critical accounts.
- Use a Password Manager (KeePass, Bitwarden).
- Regularly Update Software to patch vulnerabilities.
- Avoid Public Wi-Fi for Sensitive Transactions (use VPNs like OpenVPN).
What Undercode Say
Cybersecurity is a must-have skill in 2025. Google’s free course provides foundational knowledge, but hands-on practice is key. Use Linux commands to monitor threats, Windows tools to secure endpoints, and always follow best practices like strong passwords and encrypted communications.
🔗 Additional Resources:
Expected Output:
A structured guide with free course access, executable commands, and best practices for cybersecurity beginners.
References:
Reported By: Mahak B – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
