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Security is only as strong as the weakest link. As further proof of this, Apple released an update to macOS operating systems to address an actively exploited zero-day vulnerability that could circumvent all security protections, thus permitting unapproved software to run on Macs. The macOS flaw, identified as  CVE-2021-30657 , was discovered and reported to Apple by security engineer Cedric Owens on March 25, 2021. "An unsigned, unnotarized, script-based proof of concept application [...] could trivially and reliably sidestep all of macOS's relevant security mechanisms (File Quarantine, Gatekeeper, and Notarization Requirements), even on a fully patched M1 macOS system," security researcher Patrick Wardle  explained  in a write-up. "Armed with such a capability macOS malware authors could (and are) returning to their proven methods of targeting and infecting macOS users." Apple's macOS comes with a feature called  Gatekeeper , which allows only  truste...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), Department of Homeland Security (DHS), and the Federal Bureau of Investigation (FBI) on Monday published a new joint advisory as part of their latest attempts to expose the tactics, techniques, and procedures (TTPs) adopted by the Russian Foreign Intelligence Service (SVR) in its attacks targeting the U.S and foreign entities. By employing "stealthy intrusion tradecraft within compromised networks," the intelligence agencies  said , "the SVR activity—which includes the recent  SolarWinds Orion supply chain compromise —primarily targets government networks, think tank and policy analysis organizations, and information technology companies and seeks to gather intelligence information." The cyber actor is also being tracked under different monikers, including Advanced Persistent Threat 29 (APT29), the Dukes, CozyBear, and Yttrium. The development comes as the U.S. sanctioned Russia and  formally pinn...

Researchers from the University of Minnesota apologized to the maintainers of Linux Kernel Project on Saturday for intentionally including vulnerabilities in the project's code, which led to the school being banned from contributing to the open-source project in the future. "While our goal was to improve the security of Linux, we now understand that it was hurtful to the community to make it a subject of our research, and to waste its effort reviewing these patches without its knowledge or permission," assistant professor Kangjie Lu, along with graduate students Qiushi Wu and Aditya Pakki,  said  in an email. "We did that because we knew we could not ask the maintainers of Linux for permission, or they would be on the lookout for the hypocrite patches," they added. The apology comes over a study into what's called "hypocrite commits," which was  published  earlier this February. The project aimed to deliberately add  use-after-free  vulnerabil...

New research has uncovered privacy weaknesses in Apple's wireless file-sharing protocol that could result in the exposure of a user's contact information such as email addresses and phone numbers. "As an attacker, it is possible to learn the phone numbers and email addresses of AirDrop users – even as a complete stranger,"  said  a team of academics from the Technical University of Darmstadt, Germany. "All they require is a Wi-Fi-capable device and physical proximity to a target that initiates the discovery process by opening the sharing pane on an iOS or macOS device." AirDrop  is a proprietary ad hoc service present in Apple's iOS and macOS operating systems, allowing users to transfer files between devices by making use of close-range wireless communication. While this feature shows only receiver devices that are in users' contact lists by an authentication mechanism that compares an individual's phone number and email address with entrie...

No matter which type of business you are in, whether small, medium, or large, email has become an irrefutable tool for communicating with your employees, partners, and customers. Emails are sent and received each day in bulk by companies from various sources. In addition, organizations may also employ third-party vendors who may be authorized to send emails on behalf of the company. As a result, it becomes increasingly difficult to distinguish between sources that are legitimate and malicious. Here's a solution – PowerDMARC. This SaaS platform helps you assess your  email authentication  protocols from time to time and see if your domain is secure against spoofing with a DMARC record checker, so you can make changes if necessary. Check Your Domain Today!  Use our free tool to examine your domain's DMARC, SPF, DKIM, BIMI, and MTA-STS records instantly to ensure your domain is protected from impersonation and email fraud! Importance of Having Robust Email Security in 2...