The macOS Keychain attack, Signal’s new private contact discovery service, the Deloitte hack, and a handful of mobile stock trading app vulnerabilities are discussed.

Zerodium announced new $500,000 payouts for zero days in secure messaging apps such as Signal, WhatsApp and others.

Researchers spent six months poking holes in Signal and urge a bigger spotlight on security testing.

FBI Director James Comey revived old rhetoric on strong encryption during a keynote at the Boston Conference on Cyber Security. He did not address the leak of CIA hacking tools or Russia during his talk.