Facebook messenger is not a secure,due to its security fault!
Messages that we send through our Facebook Messenger can be read easily by hackers using a hacking backdoor in the app. This security fault is identify by the security researchers from Check Point, you will see the demo and more information on this link: More information.
Due to this security hole, millions of people who use this app for their instant messages can be at risk.The security fault was found by “Roman Zaikan” Check Point security researcher. Roman Zaikan said this security breach hole is used as a man-in-the-middle to spy and read messages on Messenger without either the sender or the reader knowing it. The hacker can also alter the messages.