The rise and evolution of supply chain attacks
A supply chain attack is a cyberattack that focuses on a third-party supplier providing essential services or software to the supply chain. In this Help Net Security video, …
backdoor
(Re)check your patched NetScaler ADC and Gateway appliances for signs of compromise
Administrators of Citrix NetScaler ADC and Gateway appliances should check for evidence of installed webshells even if they implemented fixes for CVE-2023-3519 quickly: A …
North Korean hackers breached Russian missile development firm
North Korean state-sponsored hackers have breached Russian missile maker NPO Mashinostroyeniya, according to SentinelLabs researchers. North Korean hackers discovered The …
New persistent backdoor used in attacks on Barracuda ESG appliances
The Cybersecurity and Infrastructure Agency (CISA) has published an analysis report on the backdoors dropped by attackers exploiting CVE-2023-2868, a remote command injection …
Microsoft Exchange servers compromised by Turla APT
Turla has been targeting defense sector organizations in Ukraine and Eastern Europe with DeliveryCheck and Kazuar backdoors / infostealers and has been using compromised …
Compromised Linux SSH servers engage in DDoS attacks, cryptomining
Poorly managed Linux SSH servers are getting compromised by unknown attackers and instructed to engage in DDoS attacks while simultaneously mining cryptocurrency in the …
Attackers hacked Barracuda ESG appliances via zero-day since October 2022
Barracuda says that the recently discovered compromise of some of it clients’ ESG appliances via a zero-day vulnerability (CVE-2023-2868) resulted in the deployment of …
TP-Link routers implanted with malicious firmware in state-sponsored attacks
A Chinese state-sponsored APT group implanted malicious firmware into TP-Link routers as part of attack campaigns aimed at European foreign affairs entities, say Check Point …
Inadequate patches and advisories increase cyber risk
Trend Micro’s overall threat detections increased by 55%, and the number of blocked malicious files surged by 242% due to indiscriminate targeting by threat actors who …
China-aligned APT is exploring new technology stacks for malicious tools
ESET researchers have analyzed MQsTTang, a custom backdoor that they attribute to the China-aligned Mustang Panda APT group. This backdoor is part of an ongoing campaign that …
Microsoft Exchange admins advised to expand antivirus scanning
After having stressed the importance of keeping Exchange servers updated last month, Microsoft is advising administrators to widen the scope of antivirus scanning on those …
Defenders on high alert as backdoor attacks become more common
Although ransomware‘s share of incidents declined only slightly from 2021 to 2022, defenders were more successful detecting and preventing ransomware, according to IBM. …