hack facebook messenger | Breaking Cybersecurity News | The Hacker News

Late last month Facebook announced its worst-ever security breach that allowed an unknown group of hackers to steal secret access tokens for millions of accounts by taking advantage of a flaw in the 'View As' feature. At the time of the initial disclosure, Facebook estimated that the number of users affected by the breach could have been around 50 million, though a new update published today by the social media giant downgraded this number to 30 million. Out of those 30 million accounts, hackers successfully accessed personal information from 29 million Facebook users, though the company assured that the miscreants apparently didn't manage to access any third-party app data . Here's How Facebook Classified the Stolen Data: Facebook vice president of product management Guy Rosen published a new blog post  Friday morning to share further details on the massive security breach, informing that the hackers stole data from those affected accounts, as follows: For about 1

While scrolling on Facebook how you decide which link/article should be clicked or opened? Facebook timeline and Messenger display title, description, thumbnail image and URL of every shared-link, and this information are enough to decide if the content is of your interest or not. Since Facebook is full of spam, clickbait and fake news articles these days, most users do not click every second link served to them. But yes, the possibility of opening an article is much higher when the content of your interest comes from a legitimate and authoritative website, like YouTube or Instagram. However, what if a link shared from a legitimate website lands you into trouble? Even before links shared on Facebook could not be edited, but to stop the spread of misinformation and false news, the social media giant also removed the ability for Pages to edit title, description, thumbnail image of a link in July 2017. However, it turns out that—spammers can spoof URLs of the shared-links t

Shadow apps, a segment of Shadow IT, are SaaS applications purchased without the knowledge of the security team. While these applications may be legitimate, they operate within the blind spots of the corporate security team and expose the company to attackers.  Shadow apps may include instances of software that the company is already using. For example, a dev team may onboard their own instance of GitHub to keep their work separate from other developers. They might justify the purchase by noting that GitHub is an approved application, as it is already in use by other teams. However, since the new instance is used outside of the security team's view, it lacks governance. It may store sensitive corporate data and not have essential protections like MFA enabled, SSO enforced, or it could suffer from weak access controls. These misconfigurations can easily lead to risks like stolen source code and other issues. Types of Shadow Apps  Shadow apps can be categorized based on their interac

A security researcher has discovered a critical vulnerability in Facebook Messenger that could allow an attacker to read all your private conversation, affecting the privacy of around 1 Billion Messenger users. Ysrael Gurt, the security researcher at BugSec and Cynet, reported a cross-origin bypass-attack against Facebook Messenger which allows an attacker to access your private messages, photos as well as attachments sent on the Facebook chat. To exploit this vulnerability, all an attacker need is to trick a victim into visiting a malicious website; that's all. Once clicked, all private conversations by the victim, whether from a Facebook's mobile app or a web browser, would be accessible to the attacker, because the flaw affected both the web chat as well as the mobile application. Dubbed " Originull ," the vulnerability actually lies in the fact that Facebook chats are managed from a server located at {number}-edge-chat.facebook.com, which is separate from