In response to a number of high-profile breaches (including, and the Apple UDIDs), we’ve provided LastPass users with tools to check if their data is on the leaked lists, and have notified users directly as we’ve discovered their compromised data. We wanted to take this a step further, and partnered with a company dedicated to finding and aggregating all leaks as they’re occurring, to provide a much more comprehensive service.

We have partnered with PwnedList to offer LastPass Sentry, a new feature that will help LastPass users be more proactive about their online security.

With LastPass Sentry, we use PwnedLists’s comprehensive (and growing) database of 24 million publicly leaked usernames and passwords to perform daily “checks” against LastPass account email addresses to look for positive matches: