Your chat history on iMessage just went through a period when it was not altogether safe, but now, all wrongs have been righted thanks to an OS X update. A major issue in iMessage was recently fixed by Apple, preventing hackers and other ne’er-do-wells from pulling victims’ message histories.

It turns out that, prior to the fix, hackers had the ability to send iMessagers special links that, when clicked, granted access to the otherwise encrypted messages sent between iPhone users. In fact, so simple was the vulnerability that security researchers at Bishop Fox said that, “You don’t need a graduate degree in mathematics to exploit it, nor does it require advanced knowledge of memory management, shellcode, or ROP chains.” But now, Apple has addressed the issue, and your correspondence is safe once more.

Check out the full piece in Digital TrendsApple Just Fixed an iMessage Bug That Researchers Called Easily Exploitable