← Back to Courses
Lesson 2: Malware Analysis & Defense
Page 2 of 2Defense Strategies Against Malware
Defending against malware requires a multi-layered approach that combines technical controls, user education, and ongoing monitoring. No single solution is sufficient on its own.
| Defense Tool | Function | Effectiveness |
|---|---|---|
| Antivirus Software | Detects and removes known malware | High for known threats |
| Sandboxing | Isolates suspicious code for safe execution | Very High |
| Email Filtering | Blocks malicious email attachments | High |
| Patch Management | Closes vulnerabilities exploited by malware | Critical |
| User Training | Educates users to recognize threats | High |
Incident Response for Malware Infection
- Detection Phase
- Identify symptoms of infection
- Alert the security team immediately
- Containment Phase
- Isolate the infected system from the network
- Preserve evidence for analysis
- Eradication Phase
- Remove the malware completely
- Patch exploited vulnerabilities
- Recovery Phase
- Restore systems from clean backups
- Monitor for reinfection