Stay ahead of threats with the latest on evasion techniques in infosec. Insights on how attackers bypass defenses and updates on countermeasures.
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Background for this topic.
Evasion is the deliberate concealment or modification of malicious code, commands, traffic, or behavior to bypass security controls and avoid detection. Common examples include code obfuscation, encrypted or rapidly changing payloads, abuse of trusted system tools, and disguising command-and-control traffic as ordinary network activity. It can target antivirus signatures, email and web filters, endpoint monitoring, or analysts investigating suspicious activity.
Successful evasion can reduce visibility, delay detection, and allow unauthorized activity to continue, although it may still leave behavioral or operational evidence. Mitigation should combine signature detection with behavior-based analytics and reliable endpoint, identity, and network telemetry. Restricting unnecessary scripting and administrative tools, applying application controls, and protecting centralized logs make abuse harder and preserve evidence. During investigations, examine process ancestry, unusual tool use, persistence changes, and deviations from expected user or host behavior rather than relying solely on file hashes or other easily changed indicators.
UPGRADE and DigiSeals Programs at ARPA-H Remain Fully FundedA U.S. federal grant effort to develop autonomous medical device patching platforms for hospitals evaded the budget-cutting knife of the Trump administration. Program boosters hope to automate cyber defenses so that hospitals of any size can more quickly patch vulnerabilities.
Cybersecurity researchers have warned of an active malicious campaign that's targeting the workforce in the Czech Republic with a previously undocumented botnet dubbed PowMix since at least December 2025
Google says it is increasingly using its Gemini AI models to detect and block harmful ads on its advertising platforms, as scammers and threat actors continue to evolve their tactics to evade detection. [...]
Prolific Threat Actor Focused on Using Malware to Facilitate Cargo TheftCargo-stealing hackers have a new trick up their sleeve: using a third-party code-signing service makes their remote management and monitoring software installers appear to be legitimate. Who's providing this signing service isn't clear. It's probably distributed by word of mouth.