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CISA Urges Deception to Trap Hackers
17 Sep
Summary
- US agency suggests using cyber decoys to detect and foil hackers.
- Decoys mimic legitimate systems, data, or accounts to lure attackers.
- Technique aims to save resources by wasting attackers' time.

The US Cybersecurity and Infrastructure Security Agency (CISA) has released new guidance advocating for the use of 'cyber decoys.' This innovative approach encourages businesses and organizations to employ deceptive tactics to identify and thwart cyber attackers who breach their networks. Cyber decoys are designed to appear as legitimate systems, accounts, or data, effectively luring intruders.
The agency's advisory details methods such as implementing tripwires and fake credentials, like honeytokens, and setting up honeypots. These decoys are strategically placed where legitimate users are unlikely to interact, but where hackers might be drawn. Successful engagement with a decoy signals a potential compromise.
This tactic can deceive hackers into believing they have accessed sensitive information, when in reality, they are exfiltrating non-sensitive or meaningless data. This consumes valuable attacker time and resources, diverting them from actual critical assets. CISA aims to broaden awareness of these techniques, making them accessible to defensive teams of all skill levels.
The advisory specifically targets critical infrastructure organizations, including power, communication, and healthcare providers. It is particularly tailored for small to medium-sized organizations that may face challenges with staffing and funding for robust cybersecurity measures.