From the course: Deep Dive into Open-Source Intelligence

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Introduction to active reconnaissance

Introduction to active reconnaissance

From the course: Deep Dive into Open-Source Intelligence

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Introduction to active reconnaissance

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- [Teacher] When performing active reconnaissance an attacker engages with the targeted system to gather information. The interaction between the attacker and the target may trace back to the attacker or set off alarms indicating an incoming threat. While passive reconnaissance has the upper hand when it comes to stealth, active reconnaissance is often quicker and more accurate. There's been plenty of times during penetration tests where I wasn't able to obtain information about public systems using passive reconnaissance techniques. For example, systems that have been recently exposed to the internet may not have been active long enough for third parties to run scans against them. This may result in limited information available using passive sources. In situations where passive reconnaissance doesn't provide the desired result, or speed takes priority over stealth, attackers may revert to active reconnaissance…

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