Symantec
Spirals ransomware locks down victim systems in under 24 hours
A previously unknown ransomware strain called Spirals was used last month in an attack against an IT services company in South Asia, where attackers went from initial access …
Iran-linked APT targets US critical sectors with new backdoors
An Iran-linked hacking group has been active inside the networks of several US organizations since early February, raising concerns that the activity could precede broader …
Ransomware activity never dies, it multiplies
Ransomware attacks kept climbing through 2025, even as major criminal groups collapsed and reformed. A new study conducted by the Symantec and Carbon Black Threat Hunter Team …
The year ahead in cyber: What’s next for cybersecurity in 2026
In this Help Net Security video, Dick O’Brien, Principal Intelligence Analyst at Symantec, outlines the major cyber risks expected in 2026. He explains that attackers are …
RansomHub affiliate leverages multi-function Betruger backdoor
A RansomHub affiliate is leveraging a new multi-function backdoor dubbed Betruger to perform various actions during their attacks, Symantec researchers have discovered. The …
Private US companies targeted by Stonefly APT
Undeterred by the indictment issued against one of its alleged members, North Korean APT group Stonefly (aka APT45) continues to target companies in the US, Symantec threat …
Chinese hackers compromised an ISP to deliver malicious software updates
APT StormBamboo compromised a undisclosed internet service provider (ISP) to poison DNS queries and thus deliver malware to target organizations, Volexity researchers have …
The effects of law enforcement takedowns on the ransomware landscape
While the results of law enforcement action against ransomware-as-a-service operators Alphv/BlackCat and LockBit are yet to be fully realized, the August 2023 disruption of …
Most dual ransomware attacks occur within 48 hours
Since July 2023, the Federal Bureau of Investigation (FBI) has noticed a new trend: dual ransomware attacks on the same victim, occurring in close proximity of one another. …
Attackers use fallback ransomware if LockBit gets blocked
Your security solutions might stave off a LockBit infection, but you might still end up with encrypted files: according to Symantec’s threat researchers, some affiliates …
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, …
New Buhti ransomware uses leaked payloads and public exploits
A newly identified ransomware operation has refashioned leaked LockBit and Babuk payloads into Buhti ransomware, to launch attacks on both Windows and Linux systems. Use of …
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