macOS Security

The first macOS 27.3 developer beta includes an important security fix that prevents command-line tools from accepting eMudhra's compromised web certificates. Specifically, the update removes the affected certificates from the /etc/ssl/cert.pem file. macOS 27.3 is not expected to be released to the public until December, but a macOS 27.2.1 update will likely arrive sooner with the same...

Earlier this month, a security researcher discovered that private cryptographic keys associated with eight of Indian company eMudhra's intermediate certificate authority (CA) certificates were weak. The compromised keys could have allowed attackers to impersonate legitimate websites, potentially putting users' sensitive information at risk. However, there is currently no evidence that the keys...

Security firm Group-IB has identified a new piece of macOS malware in the wild that pressures users into surrendering their passwords via a barrage of fake system prompts. Dubbed "ClickLock Stealer," the malware needs no exploits and no elevated privileges to work. Instead, the attack depends on the victim pasting a command into Terminal and running it. The command then executes a script,...

Apple's new iPhone Mirroring feature in macOS Sequoia might seem like a convenient way to access your phone from your work computer, but security firm Sevco has uncovered a significant privacy risk that should make employees think twice before enabling this feature on company-owned Macs, at least for now. According to a new blog post by Sevco, the core issue lies in how iPhone Mirroring...

Over the weekend, we reported on the second known piece of malware compiled to run natively on M1 Macs. Given the name "Silver Sparrow," the malicious package is said to leverage the macOS Installer JavaScript API to execute suspicious commands. After observing the malware for over a week, however, security firm Red Canary did not observe any final payload, so the exact threat to users remains a...