Passkeys are touted as safer than traditional passwords. But for people targeted by intimate partner abuse, they can often be more dangerous. Someone with access to their partner's computer and password could set up their own passkey—a cryptographic form of login used by services such as Google and LinkedIn—and invade their personal online space, potentially with dangerous consequences, new Cornell research has found.

Why passkey apps treat Windows differently than other operating systems.

Passkeys are touted as safer than traditional passwords. But for people targeted by intimate partner abuse, they can often be more dangerous. Someone with access to their…