backdoor
Ivanti Connect Secure zero-days exploited by attackers (CVE-2023-46805, CVE-2024-21887)
Two zero-day vulnerabilities (CVE-2023-46805, CVE-2024-21887) in Ivanti Connect Secure VPN devices are under active exploitation by unknown attackers, Volexity researchers …
“Disappearing” implants, followed by first fixes for exploited Cisco IOS XE zero-day
Cisco has released the first fixes for the IOS XE zero-day (CVE-2023-20198) exploited by attackers to ultimately deliver a malicious implant. The fixes were made available on …
Quantum risk is real now: How to navigate the evolving data harvesting threat
In an era where data security is paramount, the recent revelations about firmware backdoors implanted by Chinese government-backed hackers serve as a stark reminder of the …
Are executives adequately guarding their gadgets?
Today, individual citizens, rather than businesses or governmental bodies, are the main entry points for cyberattacks. However, security solutions haven’t evolved …
Backdoored Android phones, TVs used for ad fraud – and worse!
A key monetization mechanism of a sophisticated series of cybercriminal operations involving backdoored off-brand mobile and CTV Android devices has been disrupted, Human …
Lazarus impersonated Meta recruiter to breach Spanish aerospace firm
Operators of the North Korea-linked Lazarus APT obtained initial access to the network of an aerospace company in Spain last year after a successful spearphishing campaign, by …
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, …
(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 …