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You Should Know:
Managing guest and administrative accounts is a critical aspect of cybersecurity, especially when preparing for CompTIA Security+ certification. Here are essential commands, practices, and steps to secure these accounts:
Linux Commands:
1. Create a guest account:
sudo useradd -m -s /bin/bash guest sudo passwd guest
2. Restrict guest account permissions:
sudo usermod -a -G restricted_shell guest
3. Set account expiration (e.g., 30 days):
sudo chage -E $(date -d "+30 days" +%Y-%m-%d) guest
4. Disable root login via SSH:
sudo sed -i 's/PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config sudo systemctl restart sshd
Windows Commands:
1. Create a guest account:
net user guest /add /passwordreq:yes /active:yes
2. Add to “Guests” group:
net localgroup Guests guest /add
3. Disable Administrator account:
net user Administrator /active:no
4. Enable audit logging for admin accounts:
auditpol /set /subcategory:"User Account Management" /success:enable /failure:enable
Best Practices:
1. Implement time-based restrictions for guest accounts.
2. Use multi-factor authentication for all administrative accounts.
3. Regularly review account logs:
sudo lastlog sudo aureport -au
4. Enforce password policies:
sudo pam-config --add --pwquality
Security+ Exam Focus Areas:
- Understand least privilege principle
- Know account lockout policies
- Recognize shared account risks
- Implement account monitoring
What Undercode Say:
Proper management of guest and administrative accounts forms the foundation of system security. The commands and practices shown here align with Security+ objectives while providing real-world implementation guidance. Remember to always:
– Separate administrative duties
– Implement session logging
– Use jump servers for administrative access
– Regularly audit account permissions
Expected Output:
References:
Reported By: Housenathan Security – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
