Microsoft has observed a 254% increase in activity over the past six months from a Linux Trojan called XorDdos. First discovered in 2014, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers and its usage of XOR-based encryption for its communications.
In the latest update, four ISMG editors discuss the alarming, bizarre case of a cardiologist in Venezuela charged with developing malware and recruiting affiliates, recent ransomware and data leak incidents in healthcare and how the economy is causing mature cybersecurity startups to slow hiring.
When Colonial Pipeline suffered an outage in May 2021 as a result of an attack by the DarkSide crime syndicate, numerous governments changed their approach to ransomware and began treating it as a national security threat, says Rapid7's Jen Ellis. She details what needs to happen next.
The Russian-language criminal syndicate behind the notorious Conti ransomware has retired that brand name, after having already launched multiple spinoffs to make future operations more difficult to track or disrupt, threat intelligence firm Advanced Intelligence reports.
Criminals are doubling down on their use of information-stealing malware, such as Cryptobot, RedLine Stealer and QuilClipper, to steal private keys and siphon off cryptocurrency being stored in internet-connected hot wallets or to raid cryptocurrency holders' online exchange accounts.
Ransomware group Conti, which has been holding to ransom crypto-locked Costa Rican government systems since April, has claimed on its leak site Conti News that it has "insiders" in the country's government, and that they are working toward the compromise of "other systems."
U.S. authorities have charged a cardiologist based in Venezuela with developing and selling multiple strains of ransomware, including Jigsaw and Thanos, as well as recruiting affiliates to use the crypto-locking malware against victims in return for a cut of any ransoms paid.
In the latest "Proof of Concept," Lisa Sotto, Jeremy Grant and ISMG editors discuss the significance of Apple, Google and Microsoft supporting the FIDO protocol's passwordless sign-in standard, progress made on Biden's cybersecurity executive order and updates on U.S. cybersecurity and privacy laws.
In its most recent assault against a healthcare entity, ransomware-as-a-service operator AvosLocker claims to be behind an attack allegedly involving data theft from Texas-based CHRISTUS Health, which operates hundreds of healthcare facilities in the U.S., Mexico and South America.
Italian police reportedly thwarted attempts to disrupt online voting for the music competition Eurovision, allegedly perpetrated by a hacking group called Killnet in retaliation for Russia not being allowed to compete at this year's festival, due to its invasion of Ukraine.
If you were a nation with legions of hackers at your disposal, seeking to sidestep crippling international sanctions, would you look to ransomware to fund your regime? That question is posed by new research that finds state-sponsored North Korean hackers haven't stopped their ransomware experiments.
A post-exploitation framework dubbed IceApple has been targeting global organizations that use Internet Information Services - Microsoft's extensible web server software - and Microsoft Exchange servers since at least 2021, says Falcon OverWatch, the proactive threat hunting team at CrowdStrike.
In the latest update, four editors at Information Security Media Group discuss the intriguing insights exposed by the leak of ransomware gang Conti's internal communications, the U.S. Treasury's first-ever sanctions on a cryptocurrency mixer and the latest cyber activity in Russia's hybrid war.
As the Russia-Ukraine war continues, cybersecurity officials say the risk of attack spillover - and perhaps the direct targeting of critical infrastructure sectors outside Ukraine - remains high. The memo for CISOs is clear: Remain prepared.
A recent ransomware attack disclosed by a medication management systems provider is the latest reminder of persistent cybersecurity threats and risks facing healthcare supply chain and related vendors, as well as their customers. What's at stake?
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