Project Athena
  • Welcome
  • Module 00 - Mindset
    • Introduction
    • Lectures
      • Introduction to the Offensive Security Mindset
      • Curiosity, Creativity, Persistence
      • Maintaining a Healthy Mindset
  • Module 01 - Ethics and Legal
    • Introduction
    • Lectures
      • Hacker Ethics
      • Legal Framework
      • Legal Framework in Germany
  • Module 02 - Reconnaissance
    • Introduction
    • Lectures
      • Introduction to Reconnaissance
      • Information Gathering
      • Open Source Intelligence (OSINT)
      • Social Engineering
      • Search Engines for Reconnaissance
  • Module 03 - Penetration Testing
    • Introduction
  • Module 04 - Web Security
    • Introduction
    • Lectures
      • Introduction to Web
      • Security Features of the Browser
      • Client Side Vulnerabilities
      • Server Side Vulnerabilities
  • Module 05 - Hacking with Python
    • Introduction
  • Module 06 - Assembly
    • Introduction
  • Module 07 - Reverse Engineering
    • Introduction
  • Module 08 - Binary Exploitation
    • Introduction
  • Module 09 - Forensics
    • Introduction
  • Module 10 - Metasploit
    • Introduction
  • Module 11 - Linux and Server Security
    • Introduction
  • Module 12 - Windows and AD Security
    • Introduction
  • Module 13 - Blue Teaming
    • Introduction
    • Lectures
      • Overview
      • Firewalls
      • Intrusion Detection and Prevention Systems
      • Incident Response
      • Security Information and Event Management (SIEM)
  • Module 14 - Cryptography
    • Introduction
    • Lectures
      • What is Cryptography?
      • Symmetric Cryptography
      • Asymmetric Cryptography
      • Cryptographic Attacks
  • Module 15 - Password Cracking
    • Introduction
  • Module 16 - Hardware Hacking
    • Introduction
  • Module 17 - Cloud Security
    • Introduction
    • Lectures
      • Overview of Cloud Security
      • Comparison of Server Types: Cloud, Dedicated, and Shared Servers
      • User and Permission Management in Cloud Platforms
      • Containerization Overview:
      • Cloud Computing Security Concepts:
      • Secure DevOps in the Cloud
      • Exploring Key Certifications and Standards in On-Premises and Cloud Security
  • Module 18 - Mobile Security
    • Introduction
  • Module 19 - Wireless Security
    • Introduction
    • Lectures
      • The Wireless Network Architecture
      • WiFi Security Fundamentals
      • WiFi Authentication and Encryption Mechanisms
      • WiFi Attack Vectors
      • Wireless Penetration Testing Tools and Techniques
      • Best Practices for Securing Wireless Networks
  • Module 20 - RATs and Rootkits
    • Introduction
    • Lectures
      • Remote Access Trojans
      • What is a Rootkit?
  • Module 21 - AI in offensive Security
    • Introduction
  • Module 22 - Social Engineering
    • Introduction
    • Lectures
      • Introduction to Social Engineering
      • Types of Social Engineerings Attacks
      • Stages of a Social Engineering Attack
      • Psychological Principles behind Social Engineering
      • Tools and Techniques for Social Engineering
      • Prevention and Defense against Social Engineering Attacks
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On this page
  • Introduction
  • IDS vs. IPS
  • A Combined Approach (IDPS)
  • Types of IDPS
  • Recent Advancements in IDPS Technology
  • Product Comparison
  • References
  1. Module 13 - Blue Teaming
  2. Lectures

Intrusion Detection and Prevention Systems

Introduction

  • IDPS → combination of Intrusion Detection Systems (IDS) + Intrusion Prevention Systems (IPS)

  • Nowadays a must-have to network security defenses, especially for detecting, tracking, and blocking malicious traffic and malware.

  • IDPS has become part of advanced tools like next-generation firewalls (NGFW), SIEM, and Extended Detection and Response (XDR)

source: Intrusion Detection and Prevention Systems [1.]

IDS vs. IPS

Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) are two tools that network administrators use to identify cyber-attacks. IDS and IPS tools are both used to discover online threats but there is a distinct difference in how they operate and what they do.

Intrusion Detection Systems (IDS) → diagnostic tool

Intrusion Prevention Systems (IPS) → diagnostic and incident response tool

source: Intrusion Detection and Prevention Systems [3.]

Intrusion Detection Systems (IDS)

  1. Functionality

    • monitor network traffic and detect unusual or suspicious activities

    • identifies potential threats by comparing network activities to →

      • previously recorded intrusion patterns (database)

      • baseline

  2. Detection Techniques

    • Signature-Based Detection

      • has a predefined database of attack patterns and signatures.

      • highly effective against known attacks but cannot detect new, unidentified attacks.

    • Anomaly-Based Detection

      • utilizing a baseline of normal network behavior, identifies deviations that could indicate a security threat.

      • often enhanced with AI and machine learning, can detect previously unknown attacks but are more prone to false positives.

  3. Limitations

    • IDS primarily focuses on detection and alerting (not like IPS)

    • does not take action to block or prevent the detected threats → which means that human intervention or additional security measures are necessary for response.

source: Intrusion Detection and Prevention Systems [2.]

Intrusion Prevention Systems (IPS)

  1. Functionality

    • extends the capabilities of IDS → taking proactive measures

    • analyzes network traffic content and responds to exploits by blocking malicious traffic and preventing it from interacting with the network.

  2. Detection Techniques

    • uses both signature-based and anomaly-based detection.

  3. Advantage Over IDS

    • the advantage is obvious → is both a diagnostic and incident response tool

  4. Potential Disadvantages

    • the possibility of more false positives due to its proactive blocking measures.

    • it may incorrectly identify legitimate activities as threats, leading to unintended blocking of traffic.

source: Intrusion Detection and Prevention Systems [3.]

A Combined Approach (IDPS)

In many security infrastructures, IDS and IPS are combined into a single solution known as Intrusion Detection and Prevention Systems (IDPS). This approach integrates the strengths of both systems, offering comprehensive protection by detecting threats (IDS) and actively preventing them (IPS).

In summary, IDS and IPS serve complementary roles in network security. IDS excels at detecting and alerting, while IPS extends this functionality by actively preventing identified threats.

source: Intrusion Detection and Prevention Systems [1.]

Types of IDPS

Host-Based IDPS (HIDPS)

  • HIDPS is deployed directly on individual hosts, such as servers

  • focuses on protecting specific endpoints → scanning system files, unauthorized changes and processes running on the system

  • effective in monitoring internal activities of a host

source: Intrusion Detection and Prevention Systems [1.]

Network-Based IDPS (NIDPS):

  • monitors network traffic (entire network segment or subnet)

  • It's deployed in strategic network locations

source: Intrusion Detection and Prevention Systems [1.]

Recent Advancements in IDPS Technology

Integration in other Solutions

  • IDPS increasingly merging with other advanced security solutions

    • next-generation firewalls (NGFW)

    • Security Information and Event Management (SIEM)

    • and Extended Detection and Response (XDR)

  • This integration allows for a more comprehensive security posture, combining the strengths of each system to offer enhanced detection and prevention capabilities.

source: Intrusion Detection and Prevention Systems [1.]

Adoption of Machine Learning and AI

  • Modern IDPS solutions are increasingly using machine learning and AI → process massive data faster

  • Detects what traditional signature and anomaly detection methods might miss

  • Adjusts learnings practices and behaviours in real-time

  • Allows IDPS to adapt quickly to new threats

source: Intrusion Detection and Prevention Systems [4.], Intrusion Detection and Prevention Systems [5.]

Industry Cloud Platforms

  • industry-specific cloud platforms offers scalability and functionality to unique industry needs.

  • a more targeted approach → enhancing the effectiveness of IDPS in specific operational contexts.

source: Intrusion Detection and Prevention Systems [5.]

Product Comparison

IDPS Solution
Throughput
Vulnerability & Threat Detection
Web & Network Security
Malware Protection
Traffic Analysis
Additional Features

Trend Micro TippingPoint NGIPS

Up to 100 Gbps

Yes

Deep pack inspection

Yes

Inbound, outbound, lateral

High availability

Cisco Firepower NGIPS

Varies

Embedded security intelligence

Yes

Advanced malware protection

Yes

Application analysis

Check Point IPS

Up to 1Tbps

Yes

Multiple protocol support

Yes

Yes

Detailed reporting

Trellix Network Security

Up to 30 Gbps

Yes

Intrusion prevention

Yes

Yes

Self-learning detection

Hillstone S-Series NIPS

1 to 12 Gbps

Yes

Antivirus, URL filtering

Yes

Yes

Cloud-based management

NSFOCUS NGIPS

Up to 20Gbps

Yes

Web security

Yes

Yes

DDoS protection

Palo Alto Networks Threat Prevention

-

Yes

Decoder-based analysis

Advanced malware analysis

Yes

SSL decryption

OSSEC HIDS

-

File integrity monitoring

-

Rootkit/malware detection

Log-based

Compliance auditing

Snort

-

Yes

-

-

Protocol analysis

Open-source

Alert Logic MDR

-

Endpoint attack isolation

-

-

Real-time visibility

Managed services

CrowdSec

-

AI/ML

-

-

Behavioral analytics

Open-source

SolarWinds Security Event Manager

-

-

-

-

Network visibility

Compliance reporting

Security Onion

-

-

-

-

Comprehensive coverage

Third-party tool integration

source: Intrusion Detection and Prevention Systems [1.]

References

Intrusion Detection and Prevention Systems

  1. https://www.esecurityplanet.com/products/intrusion-detection-and-prevention-systems/

  2. https://www.hindawi.com/journals/js/2023/6048087/

  3. https://www.comparitech.com/net-admin/ids-vs-ips/

  4. https://kirkpatrickprice.com/blog/idps-techniques/

  5. https://rossum.ai/blog/2023-idp-trends/#:~:text=,continue

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Last updated 1 year ago