Antivirus & Malware Protection: System Security
Published:
Protecting systems from malware is essential to keeping ALCO USA’s data and devices secure. This guide covers common malware types, built-in protection, scanning, and what to do if a threat is found.
Malware Types
Viruses
- Attach to programs
- Spread when executed
- Corrupt files and steal data
- Slow down the system
Worms
- Self-replicating
- Spread via the network
- Consume bandwidth
- Damage data and disable security
Trojans
- Disguise as legitimate software
- Create backdoor access
- Steal credentials
- Download other malware
Ransomware
- Encrypts your files
- Demands payment
- Threatens data deletion
- A critical threat requiring immediate action
Built-in Protection
Windows Defender
- Included with Windows
- Real-time protection
- Automatic updates
- No additional cost
- Sufficient for most users
Enabling Windows Defender
- Open Settings, then Update & Security
- Click Windows Security
- Open Virus & threat protection
- Confirm real-time protection is ON
- Verify a scan is scheduled
Scanning & Detection
Quick Scan (about 15 minutes)
- Checks common locations
- Fastest option
- Recommended daily
Full Scan (1-2 hours)
- Checks the entire system
- Comprehensive coverage
- Recommended weekly
Custom Scan
- Targets specific folders or drives
- Useful for suspicious areas
- Run on demand
Handling Detections
If a threat is found
- Don’t panic
- Quarantine the threat
- Review the details
- Remove if safe
- Monitor the system
If you are unsure
- Contact IT support
- Ask before removing
- Keep the quarantined file
- Document the threat details
- Report the incident
Best Practices
Prevention
- Keep antivirus updated
- Run regular scans
- Enable real-time protection
- Don’t open suspicious attachments
- Avoid untrusted websites
Safe Browsing
- Don’t download pirated software
- Avoid suspicious websites
- Don’t click phishing links
- Verify downloads are authentic
- Use trusted sources only
Email Safety
- Don’t open unknown attachments
- Verify the sender address
- Don’t click suspicious links
- Report phishing emails
- Use the junk filter
If Infected
Immediate Steps
- Disconnect from the network
- Run a full antivirus scan
- Remove detected threats
- Change all passwords
- Monitor accounts
Report the Incident
- Contact IT security immediately
- Document the symptoms
- Note the affected systems
- Provide a timeline
- Follow remediation steps
Contact
For security concerns, reach our team:
Email: Team@alcousa.org
Phone: +1(208) 391-7176
Hours: Monday-Friday, 8 AM - 6 PM EST
