21 June 2021 by Phillip JohnstonMay 2021 saw the public disclosure of FragAttacks, a collection of security vulnerabilities that affect Wi-Fi devices. Three of the vulnerabilities are design flaws in the Wi-Fi standard (one in frame aggregation, and two in frame fragmentation), and “experiments indicate that every Wi-Fi product is affected by at least one vulnerability and that most products are affected by several vulnerabilities”. These vulnerabilities allow an attacker to forge encrypted frames in various ways in order to exfiltrate sensitive data, regardless of the security protocol used. The FragAttacks website has this to say (emphasis mine): Fortunately, these …
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