As Microsoft revealed tidbits of its post-mortem investigation into a Chinese attack against US government agencies via Microsoft, two details stand out: the company violated its own policy and did not store security keys within a Hardware Security Module (HSM) — and the keys were successfully used by attackers even though they had expired years earlier. This is simply the latest example of Microsoft quietly cutting corners on cybersecurity and then only telling anyone when it gets caught. To read this article in full, please click here