NTLM relay attacks are back from the dead

NTLM relay attacks are the easiest way for an attacker to compromise domain-joined hosts. While many security practitioners think NTLM relay is a solved problem, it is not – and, in fact, it may be getting worse. Anecdotally, they are used in most atta…

July 4, 2025
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DDoS attacks jump 358% compared to last year

Cloudflare says it mitigated 20.5 million DDoS attacks in the first quarter of 2025. This is a 358% increase compared to the same time last year. Their Q1 2025 DDoS report highlights a rise in the number and size of attacks, including some of the large…

April 29, 2025
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Defending against EDR bypass attacks

EDR bypass and killer attacks are surging, yet many organizations continue to overlook this threat while they have become over-reliant on this security tool – particularly when preventing ransomware. In this Help Net Security video, John Dwyer, D…

March 12, 2025
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Massive botnet hits Microsoft 365 accounts

A recently discovered botnet of over 130,000 compromised devices is launching coordinated password-spraying attacks against Microsoft 365 (M365) accounts. Security researchers at SecurityScorecard are examining possible connections to China-affiliated …

February 24, 2025
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A trail of flipping bits

By Joop van de Pol Trusted execution environments (TEE) such as secure enclaves are becoming more popular to secure assets in the cloud. Their promise is enticing because when enclaves are properly used, even the operator of the enclave or the cloud service should not be able to access those assets. However, this leads to […]

December 18, 2023
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