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4.7 Given a scenario, troubleshoot common security issues with appropriate tools and best practices.
- Common symptoms
- Pop-ups
- Browser redirection
- Security alerts
- Slow performance
- Internet connectivity issues
- PC locks up
- Windows updates failures
- Rogue antivirus
- Spam
- Renamed system files
- Files disappearing
- File permission changes
- Hijacked email
- Access denied
- Tools
- Anti-virus software
- Anti-malware software
- Anti-spyware software
- Recovery console
- System restore
- Pre-installation environments
- Event viewer
- Best practices for malware removal
- Identify malware symptoms
- Quarantine infected system
- Disable system restore
- Remediate infected systems
- Update anti-virus software
- Scan and removal techniques (safe mode, pre-installation environment)
- Schedule scans and updates
- Enable system restore and create restore point
- Educate end user
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