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CompTIA SecurityX CAS-005 · Domain 4: Security operations

Attack surface management and exposure reduction: asset discovery, external scanning and penetration test findings

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Last reviewed September 25, 2026 · Leer en español

Your attack surface is every point an attacker could use to get in: internet-facing systems, cloud services, APIs, remote access, third-party connections, user accounts and even people who can be phished. Attack surface management (ASM) continuously discovers that surface from the attacker's point of view and works to shrink it.

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