Originally Posted October 12th.
It's been eleven days since Android Police published this story detailing the discovery by Trevor Eckhart of some serious security issues within HTC's more recent software. Three days after that HTC responded, and now, a further week or so later, we are seeing reports of an "important security update" being pushed to HTC Sensations throughout Europe.
Screencap by FG1234 of Android-Hilfe.de
While HTC does not specify exactly what the ~9 MB update addresses, the timing seems right to relate to the preceding story.