Banking Equipment Vendor Tries To Censor Security Research With DMCA Notice -- Then Backs Down When Called Out For It

Abuse of the DMCA takedown process to remove material that is awkward or embarrassing for a company is a common enough topic on Techdirt. But here's one with a slight twist. It concerns hardware security modules (HSMs), which manage the cryptographic keys and PINs used to authenticate bank card transactions. These were generally regarded as pretty secure -- until researchers started analyzing them, as Ross Anderson, head of the Security Research Laboratory at Cambridge University, explains: 

On Techdirt.