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.
Within a month, the U.S. Department of Homeland Security hopes to launch a program to help states protect voter registration databases and systems in advance of the 2020 presidential election. Security experts say that in light of recent ransomware attacks against units of government, the effort is overdue.
F. Ward Holloway of Forescout Technologies sorts through what he sees as common misconceptions about the "zero trust" approach to security, including the assumption that it can prove to be too costly and complex to implement.
After two months of inactivity, the notorious Emotet botnet is poised to start delivering malicious code again; active command-and-control servers have been spotted in the wild, researchers at the security firm Cofense warn.
In 2018, the Cybereason Research team identified a series of attacks targeting telecommunications companies. These attacks shared the same TTPs and consisted of a webshell execution followed by the deployment of Poison Ivy, a well-known RAT attributed to Chinese APT groups.