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2020/10/13

Sophisticated Android Ransomware Executes with the Home Button

A fresh variant of a sophisticated Android ransomware known as MalLocker locks up mobile devices – surfacing its ransom note when a user hits the Home button.

According to research from Microsoft, MalLocker is spreading via malicious website downloads (disguised as popular apps, cracked games or video players) and peddled in online forums, as it always has. However, “the new variant caught our attention because it’s an advanced malware with unmistakable malicious characteristic and behavior and yet manages to evade many available protections, registering a low detection rate against security solutions,” Microsoft researchers said, in a Thursday posting.
2020/10/07

Unpatched Apple T2 Chip Flaw Plagues Macs

In case you are using a recent macOS device, you are probably using the embedded T2 security chip which runs bridgeOS and is actually based on watchOS. This is a custom ARM processor designed by Apple based on the A10 CPU found in the iPhone 7. The T2 chip contains a Secure Enclave Processor (SEP), much like the A-series processor in your iPhone will contain a SEP.

While newer Macs and/or Apple Silicon (including the dev kit) will use a more recent A-series processor such as the A12, current Macs still use the A10.

It performs a predefined set of tasks for macOS such as audio processing, handling I/O, functioning as a Hardware Security Module for e.g. Apple KeyChain or 2FA, hardware accelerating media playback, whitelisting kernel extensions, cryptographic operations and ensuring the operating system you are booting is not tampered with. The T2 chip runs its own firmware called bridgeOS, which can be updated when you install a new macOS version. (ever notice the screen flickering? that’s the display driver being interrupted and possibly updated.)
Source: ironpeak.be
2020/10/05

Beware: New Android Spyware Found Posing as Telegram and Threema Apps

A hacking group known for its attacks in the Middle East, at least since 2017, has recently been found impersonating legitimate messaging apps such as Telegram and Threema to infect Android devices with a new, previously undocumented malware.

"Compared to the versions documented in 2017, Android/SpyC23.A has extended spying functionality, including reading notifications from messaging apps, call recording and screen recording, and new stealth features, such as dismissing notifications from built-in Android security apps," cybersecurity firm ESET said in a Wednesday analysis.
2020/09/29

US: Universal Health Services Ransomware Attack Impacts Hospitals Nationwide

A ransomware attack has shut down Universal Health Services, a Fortune-500 owner of a nationwide network of hospitals.

The attack occurred in the wee hours of the morning on Monday, according to reports coming in from employees on Reddit and other platforms.

On Reddit, a discussion with hundreds of comments indicated that many UHS locations were indeed down and requiring a return to manual processes.
2020/09/24

Major Instagram App Bug Could've Given Hackers Remote Access to Your Phone

In a report shared with The Hacker News today, Check Point researchers disclosed details about a critical vulnerability in Instagram's Android app that could have allowed remote attackers to take control over a targeted device just by sending victims a specially crafted image.

What's more worrisome is that the flaw not only lets attackers perform actions on behalf of the user within the Instagram app—including spying on victim's private messages and even deleting or posting photos from their accounts—but also execute arbitrary code on the device.