Whisper Systems has announced that it’s been acquired by Twitter.

Twitter confirms that it’s acquiring Whisper, but it has not stated its intentions or anything about the terms of the deal.

“The Whisper Systems team is joining Twitter starting today,” reads a statement from the company. “As part of our fast-growing engineering team, they will be bringing their technology and security expertise to Twitter’s products and services. We’re happy to have Moxie Marlinspike and Stuart Anderson onboard.”