Counter Hack Reloaded: A Step-by-Step Guide to Computer Attacks and Effective Defenses, Second Edition
by Ed Skoudis, Tom Liston
6 Phase 2: Scanning
After the reconnaissance phase, the attacker is armed with some vital information about the target infrastructure: a handful of telephone numbers, domain names, IP addresses, and technical contact information—a very good starting point. Most attackers then use this knowledge to scan target systems looking for openings. This scanning phase is akin to a burglar turning doorknobs and trying to open windows to find a way into a victim’s house.
Unfortunately, this phase very much favors the attackers. Our goal as information security professionals is to secure every possible path into our systems; the attackers just have to find one way in to achieve their goals. Time also works in the attackers’ favor during the scanning phase. ...
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