Google’s Free Cybersecurity Course: Boost Your Skills in

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Google offers a free Cybersecurity course to help you build foundational knowledge in protecting systems, networks, and data from cyber threats. This course is ideal for beginners and professionals looking to upskill.

🔗 Course Link: Google Cybersecurity

You Should Know: Essential Cybersecurity Commands & Practices

Linux Security Commands

1. Check Open Ports

sudo netstat -tulnp 

Identifies listening ports and associated services.

2. Scan for Vulnerabilities with Nmap

nmap -sV <target_IP> 

Detects open ports and service versions.

3. Monitor Logs for Intrusions

sudo tail -f /var/log/auth.log 

Tracks authentication attempts (Ubuntu/Debian).

4. Check User Login History

last 

Shows recent logins and reboots.

5. Verify File Integrity (Hashing)

sha256sum <file> 

Ensures files haven’t been tampered with.

Windows Security Commands

1. Check Active Network Connections

netstat -ano 

2. Scan for Malware with Windows Defender

Start-MpScan -ScanType FullScan 

3. Audit Failed Login Attempts

Get-EventLog -LogName Security -InstanceId 4625 

4. Enable Firewall Logging

Set-NetFirewallProfile -LogFileName %systemroot%\system32\LogFiles\Firewall\pfirewall.log 

Cybersecurity Best Practices

  • Enable 2FA on all critical accounts.
  • Patch Management:
    sudo apt update && sudo apt upgrade -y  Linux 
    
  • Password Policies: Enforce complexity via:
    sudo vi /etc/pam.d/common-password 
    

What Undercode Say

Mastering cybersecurity starts with understanding both offensive and defensive techniques. Google’s course provides structured learning, but hands-on practice with tools like Nmap, Wireshark, and Metasploit is crucial. Always:
– Monitor logs for anomalies.
– Use SSH keys instead of passwords.
– Regularly audit permissions (chmod, chown).

🔗 Additional Resources:

Expected Output:

A well-structured cybersecurity skill set, readiness for certifications (like CompTIA Security+), and the ability to secure systems proactively.

References:

Reported By: Vikas Singh – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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