🔐 Security+ Lab 6.3.4 — Implement Intrusion Prevention скачать в хорошем качестве

🔐 Security+ Lab 6.3.4 — Implement Intrusion Prevention

🔐 Security+ Lab 6.3.4 — Implement Intrusion Prevention This lab demonstrates how to implement Intrusion Prevention Systems (IPS) to actively detect and block malicious activity in real time, strengthening network security as part of a defense-in-depth strategy. 🧠 Key Concepts IDS vs IPS: IDS (Intrusion Detection System): Detects and alerts on suspicious activity. IPS (Intrusion Prevention System): Detects and blocks malicious traffic automatically. IPS Deployment Models: Network-based IPS (NIPS): Monitors traffic across the network. Host-based IPS (HIPS): Protects individual systems. Inline IPS: Sits directly in the traffic path and can drop packets. Detection Methods: Signature-based: Matches known attack patterns. Anomaly-based: Detects deviations from normal behavior. Heuristic/Behavioral: Identifies suspicious actions based on rules. Security+ Exam Tip: Know when to use IPS vs IDS, how inline placement enables prevention, and the trade-offs between false positives vs security. ▶️ Step 1 — Identify IPS Placement Choose where the IPS will operate: Perimeter (behind the firewall) Between network segments (east–west traffic) On critical hosts (HIPS) ✔ Inline placement is required for active prevention. ▶️ Step 2 — Deploy the IPS Install or enable IPS on: A dedicated security appliance A next-generation firewall (NGFW) Endpoint protection platform (HIPS) Ensure network traffic flows through the IPS. ▶️ Step 3 — Update Signatures and Engines Download the latest attack signatures. Update detection engines to recognize current threats. Schedule automatic updates. ▶️ Step 4 — Configure Prevention Policies Enable blocking actions for: Known malware signatures Exploits and command-and-control traffic Port scans and brute-force attempts Start with alert-only (monitor) mode if testing, then move to block. ▶️ Step 5 — Tune the IPS (Reduce False Positives) Adjust sensitivity thresholds. Whitelist trusted IPs or applications if needed. Disable unnecessary signatures that don’t apply to your environment. ⚠️ Overly aggressive IPS rules can block legitimate traffic. ▶️ Step 6 — Enable Logging and Alerts Log: Blocked attacks Signature matches Source/destination details Send alerts to: SIEM Email or dashboard Correlate IPS alerts with firewall and endpoint logs. ▶️ Step 7 — Test Intrusion Prevention Simulate attacks (e.g., port scans, test malware signatures). Verify the IPS blocks malicious traffic. Confirm normal traffic continues uninterrupted. ⚠️ Important Notes for Security+ Exam IPS is a preventive control; IDS is detective. Inline IPS can stop attacks but may introduce latency. Signature updates are critical for effectiveness. Tuning balances security vs availability. IPS complements firewalls but does not replace them. #Security #IntrusionPrevention #IPS #NetworkSecurity #DefenseInDepth #BlockTraffic #firewall #AccessControl #NetworkSecurity #Comptia #FirewallRules #PermitTraffic #SecurityPlus #ChangePassword #AccountSecurity #CyberSecurity #PasswordManagement #useraccount #Policy #ActiveDirectory #Global #RBAC #Identity #MicrosoftServer