Folks often like to think of URLs as an entity that can be evaluated: “Is it harmless, or is it malicious?” In particular, vendors of security products tend to lump URLs in with other IoCs (indicators of compromise) like the hash of a known-malicious file, a malicious/compromised digital certificate, or a known-malicious IP address. Unfortunately,Continue reading “Beware: URLs are Pointers to Mutable Entities”
Tag Archives: spoofing
The Line of Death
When building applications that display untrusted content, security designers have a major problem— if an attacker has full control of a block of pixels, he can make those pixels look like anything he wants, including the UI of the application itself. He can then induce the user to undertake an unsafe action, and a userContinue reading “The Line of Death”
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