CareCloud confirms 3.7M patients had their medical records stolen in data breach

Hackers have stolen the personal information and medical records of more than 3.75 million people in a data breach at health data giant CareCloud, the company has confirmed with federal regulators. The disclosure marks the first confirmation of the scale Read More …

Defending against an active threat to Siemens S7 Series PLCs

This advisory relates to an active threat to Siemens S7 Series programmable logic controllers (PLCs). However, ongoing PLC targeting activity is broader than Siemens PLCs. All PLC owners and operators should apply relevant mitigations to reduce the risk to their Read More …

‘Proactive SIM’ cards can hijack smartphones, IoT devices and even EV chargers

A malicious SIM card can instruct the device it sits in to run commands of an attacker’s choosing, and on the cellular modules embedded in electric vehicle chargers, industrial routers, and car telematics units, essentially allowing it to take the Read More …

Mitigating large-scale credential attacks

Identity has effectively become the new perimeter, where cybercriminals are increasingly choosing to log in rather than break in. To accomplish this, attackers frequently gather previously leaked username and password pairs. Gathering these credentials can then allow them to pivot Read More …

Hunting MacSync Stealer infrastructure through behavioral pivots

MacSync Stealer is a macOS-focused information stealer that relies on changing infrastructure to deliver payloads, communicate with compromised devices, and exfiltrate data. Earlier reporting by RST Cloud identified the threat through a limited set of domains and documented rapid command-and-control (C2) replacement Read More …

‘Unprecedented’ number of Apple users received recent spyware alert, say investigators

An unprecedented number of Apple customers have reported receiving a recent threat notification alerting them to suspected spyware attacks targeting their devices, according to experts who investigate these types of incidents. Several people publicly and privately reported receiving Apple’s spyware Read More …

Operation ASTERIX: Anatomy of a Crypto Fraud Pipeline

Rapid7 researchers identified an exposed web directory on infrastructure used to support a cryptocurrency fraud operation. The server contained raw phone-number datasets, account-validation tools, enriched lead records, phishing panels, voice-dialing scripts, fake wallet applications, persistence mechanisms, and Telegram exfiltration code. Read More …

ChainDrop worm crawls into npm supply chain, evades standard defenses

A new variant of the Shai-Hulud npm worm has poisoned hundreds of packages while adding propagation techniques that can leave little trace in the corresponding source repositories. In Frank Herbert’s Dune, Shai-Hulud was the name of the giant self-sustaining desert Read More …

Researchers find ultimate Windows kill switch which can disable antivirus with almost no user interaction

Microsoft has recently fixed a vulnerability that allowed threat actors to bypass advanced security measures, disable antivirus software, and expose the target device to full system takeover. All of this, it seems, could have been possible with a very simple script, Read More …

APT group HoneyMyte upgrades CoolClient

CoolClient is a backdoor family attributed to the HoneyMyte APT group (also known as Mustang Panda) that has been used in their cyber-espionage campaigns targeting organizations across Asia and Russia. It supports such capabilities as keylogging, clipboard theft, credential harvesting, Read More …