Blue Team
November 30, 202420 min read
Attack Surface Management (ASM): Complete Strategy & Implementation Guide
Master external attack surface management with this guide covering asset discovery, shadow IT detection, continuous monitoring, and risk prioritization strategies.
A
Asfaleia Team
Security Consultant
30%
Unknown Assets
69%
Attacked via Unknown
15min
Attacker Discovery
40%
More Assets Than Known
What is ASM?
Attack Surface Management provides continuous discovery and monitoring of external digital assets. It answers: "What can attackers see?"
The Unknown Asset Problem
75% of successful attacks target unknown assets. Shadow IT, forgotten systems, and M&A remnants create blind spots attackers exploit.
ASM Process
Phase 1
Discovery
Find all external assets
Phase 2
Classification
Identify and attribute assets
Phase 3
Assessment
Evaluate vulnerabilities
Phase 4
Monitoring
Continuous surveillance
Attack Surface Components
External Assets
- Web applications
- APIs
- IP addresses
- Cloud assets
Shadow IT
- Unauthorized cloud
- Rogue services
- Dev environments
- Forgotten systems
Third-Party
- Vendor connections
- Partner portals
- SaaS integrations
- Supply chain
Continuous Monitoring
ASM provides attacker-perspective visibility with continuous discovery to find assets before attackers do.
#ASM#Attack Surface#Shadow IT#Asset Discovery#Risk Management#External Exposure
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