The cryptographic protocols used to secure data moving across the web are putting users at risk due to design flaws that date back many years. Given the current push to encrypt everything in response to revelations of government surveillance, it's important that the protocols being used to do the job are actually secure. The problem is that these protocols often aren't up to the task, a problem that researchers at the European Union Agency for Network and Information Security (ENISA) are aiming to remedy.