A hacker group called Tortoiseshell has been hitting targets in the Middle East since at least July 2018, apparently targeting IT service providers to gain access to many potential targets at once. The campaign is fresh proof that criminals and nation-state attackers alike continue to favor supply chain attacks.
As part of the U.S. government's continuing efforts to highlight the North Korean government's cyberattacks, the U.S. Treasury Department has sanctioned three alleged North Korean hacking groups that have been blamed for the WannaCry ransomware, online bank heists and destructive malware attacks.
Ransomware-wielding attackers treat infecting endpoints as a business and put customer relationship management principles to work, says Bill Siegel, CEO of ransomware incident response firm Coveware. He notes criminals "go after the low-hanging fruit because it's cheap and the conversion rate is high."
The ransomware blitz against the healthcare sector continues: A Utah clinic has reported an attack that potentially affected 320,000 patients, making it one of the largest breaches of its kind so far this year.
Cybercrime is surging thanks, in part, to the availability of inexpensive hacking tools and services. A recent look by security firm Armour at black market offerings finds stolen payment card data, RDP credentials, ransomware and DDoS services are widely available for sale.
Email server alert: Linux and Unix administrators should immediately patch a remotely exploitable flaw in Exim, one of the world's most-used message transfer agents, security experts warn. Attackers could abuse the flaw to deliver ransomware, spy on or spoof emails and possibly also take down cloud services.
In the past year, cybercriminals behind two of the biggest ransomware attacks have abandoned other techniques in favor of exploiting remote desktop protocol. Matt Boddy of Sophos explains why RDP attacks are so popular - and what you can do to discourage them.
Three weeks after a ransomware attack slammed 22 Texas municipalities' systems, state officials say more than half of the cities have returned to normal operations and the rest have advanced to system restoration. Meanwhile, officials have shared lessons learned for managed service providers and customers.
The mayor of New Bedford, Massachusetts, took the unusual step this week of holding a press conference to describe a recent ransomware attack and explain why the city decided not to pay the $5.3 million ransom that was demanded.
As a fraud management leader, are you aware that social engineering is a widespread and increasingly common tactic used to takeover customer accounts? Learn more about why social engineering is one of the most dangerous and difficult to stop online crimes.
Do criminal organizations prefer to target organizations that hold cyber insurance policies? A ProPublica report suggests that because cyber insurance policyholders are more likely to pay ransoms, they're a more frequent target. But some cybersecurity experts have expressed skepticism.