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Category — Mac OS X keychain
Apple macOS High Sierra Exploit Lets Hackers Steal Keychain Passwords in Plaintext

Apple macOS High Sierra Exploit Lets Hackers Steal Keychain Passwords in Plaintext

Sep 26, 2017
Apple yesterday rolled out a new version of its macOS operating system, dubbed High Sierra 10.13 —a few hours before an ex-NSA hacker publicly disclosed the details of a critical vulnerability that affects High Sierra as well as all earlier versions of macOS. Patrick Wardle, an ex-NSA hacker and now head of research at security firm Synack, found a critical zero-day vulnerability in macOS that could allow any installed application to steal usernames and plaintext passwords of online accounts stored in the Mac Keychain. The macOS Keychain is a built-in password management system that helps Apple users securely store passwords for applications, servers, websites, cryptographic keys and credit card numbers—which can be accessed using only a user-defined master password. Typically no application can access the contents of Keychain unless the user enters the master password. "I discovered a flaw where malicious non-privileged code (or apps) could programmatically access th...
Critical OS X Flaw Grants Mac Keychain Access to Malware

Critical OS X Flaw Grants Mac Keychain Access to Malware

Sep 03, 2015
Back in July, a security researcher disclosed a zero-day vulnerability in Mac OS X that allowed attackers to obtain unrestricted root user privileges with the help of code that even fits in a tweet . The same vulnerability has now been upgraded to again infect Mac OS X machines even after Apple fixed the issue last month. The privilege-escalation bug was once used to circumvent security protections and gain full control of Mac computers. Thanks to the environment variable DYLD_PRINT_TO_FILE Apple added to the code of OS X 10.10 Yosemite. The vulnerability then allowed attackers to install malware and adware onto a target Mac, running OS X 10.10 (Yosemite), without requiring victims to enter system passwords. However, the company fixed the critical issue in the Mac OS X 10.11 El Capitan Beta builds as well as the latest stable version of Mac OS X – Version 10.10.5 . Mac Keychain Flaw Now, security researchers from anti-malware firm MalwareBytes spotted t...
What Is Attack Surface Management?

What Is Attack Surface Management?

Feb 03, 2025Attack Surface Management
Attack surfaces are growing faster than security teams can keep up – to stay ahead, you need to know what's exposed and where attackers are most likely to strike. With cloud adoption dramatically increasing the ease of exposing new systems and services to the internet, prioritizing threats and managing your attack surface from an attacker's perspective has never been more important. In this guide, we look at why attack surfaces are growing and how to monitor and manage them properly with  tools like Intruder . Let's dive in. What is your attack surface? First, it's important to understand what we mean when we talk about an attack surface. An attack surface is the sum of your digital assets that are 'reachable' by an attacker – whether they are secure or vulnerable, known or unknown, in active use or not. You can also have both internal and external attack surfaces - imagine for example a malicious email attachment landing in a colleague's inbox, vs a new FTP server being...
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