A new self-destructing backdoor called Mistic used in intrusions since April appears to be linked to a criminal gang that compromises corporate networks and then sells that access to ransomware groups, according to security researchers.
This backdoor, also tracked as MLTBackdoor, was first documented by Zscaler earlier this month, with the security shop suggesting the novel malware is “likely used in ransomware attacks to establish a foothold for lateral movement.”
Read more…
Source:
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Apple users told to watch out for ‘unpatchable’ iPhone security issues – here’s what we know
June 19, 2026
Security researchers Paradigm Shift have discovered a vulnerability in older iPhone and Apple Watch models which can be used to jailbreak the devices. What makes this vulnerability special is the fact that there is no fix for it – the only way to really be secure is to replace the device with a newer model. The good news is that ...
- Microsoft working on a fix for RoguePlanet, a flaw that grants full PC control
June 18, 2026
A publicly available exploit called RoguePlanet can give attackers the highest level of access on Windows systems. Microsoft has confirmed the vulnerability and says it’s working on a security update. RoguePlanet is tracked under CVE-2026-50656, where it’s described as a Microsoft Defender Elevation of Privilege (EoP) vulnerability. Read more… Source: MalwareBytes Labs Sign up for the Cyber Security Review Newsletter The latest cyber ...
- Kodak confirms breach as ShinyHunters’ leak threat reaches deadline
June 18, 2026
The Eastman Kodak Company (Kodak) confirmed to BleepingComputer that it is investigating a security breach after the ShinyHunters extortion group claimed responsibility for the incident. Kodak is the latest organization to land on the group’s leak site. ShinyHunters claims it stole more than 2.2 million records and threatened to publish the data unless the company responded by June ...
- Cyber Criminals Redirecting Users to Fraudulent Websites with Malicious Traffic Distribution Systems
June 18, 2026
The Federal Bureau of Investigation (FBI) is publishing this Public Service Announcement (PSA) to warn the public of cyber criminal use of traffic distribution systems (TDSs) to gain access to victim networks for ransomware or other financial scams. TDS is a technology used to route internet traffic visitors to different destinations after users visit webpages, click advertisement ...
- Cybercriminals allegedly hacked tens of thousands of Fortinet firewalls used by major companies all over the world
June 17, 2026
Cybercriminals have compromised tens of thousands of Fortinet firewalls and VPNs used by major companies all over the world, according to two cybersecurity firms. The widespread hacking campaign, which is ongoing and has been dubbed FortiBleed, appears to not involve abusing any unknown vulnerability in the targeted devices, but rather on a more basic issue: Companies ...
- Cisco SD-WAN make-me-root bug under attack
June 16, 2026
Cisco today issued a fix for a Catalyst SD-WAN Manager bug that attackers have already spotted and exploited to get root privileges, according to both the networking vendor and the feds. The vulnerability, tracked as CVE-2026-20262, is in the web UI of Cisco Catalyst SD-WAN Manager, and exists because the software is not properly validating user-supplied input during ...