Microsoft says ransomware activity against compromised on-premises Exchange servers remains limited, but it warns that organizations are far from out of the woods.
What happens when an e-commerce retailer sends customers a data breach notification email with a subject line that reads "strictly private and confidential"? "Clearly trying to make people stay quiet," responded one unamused Fat Face customer. Others report being none the wiser as to what risks they now face.
The SolarWinds supply chain attack demonstrates that Russian intelligence services have learned from previous operations and adjusted their tactics, says Dmitri Alperovitch, the former CTO of security firm CrowdStrike, which investigated Russian interference in the 2016 election.
Criminals operating online continue to tap ransomware in their pursuit of an illicit payday. That was the cybercrime reality throughout 2020, and unfortunately it still appears to be holding true in the first months of this year, the Cisco Talos Incident Response team reports.
The SolarWinds supply chain attackers manipulated OAuth app certificates to maintain persistence and access privileged resources, including email, according to researchers at Proofpoint.
This year's brisk cybersecurity sector M&A activity is continuing, with five more deals announced in the last two weeks. Here's a rundown of the latest activity.
Swiss cybersecurity firm Prodaft says it has accessed several servers used by an advanced persistent threat group tied to the SolarWinds supply chain attack. These attackers continue to target large corporations and public institutions worldwide, with a focus on the U.S. and the European Union, the researchers say.
Years ago, when he was working in systems integration, Mirza Asrar Baig envisioned the concept of digital risk protection technology. Today, as CEO of CTM360, he is promoting it as a way to provide “offensive defense.”
There has been a spike in web shells being detected as ransomware gangs and other attackers increasingly target vulnerable on-premises Microsoft Exchange servers following publication of proof-of-concept attack code for ProxyLogon, which is one of four zero-day flaws patched by Microsoft in early March.
If recent attacks have taught anything, it’s that defenses are insufficient, and no entity can stand alone against the forces of nation-state adversaries. It’s time for enhanced data sharing under the umbrella of collective defense, says Brett Williams, co-founder of IronNet Cybersecurity.
A Swiss national who recently highlighted flaws in Verkada surveillance cameras has been charged with criminal hacking by a U.S. federal grand jury and accused of illegally accessing and leaking data from numerous organizations, apparently including Intel, Nissan and the U.S. National Reconnaissance Office.
This edition of the ISMG Security Report features an analysis of the Microsoft Exchange on-premises server hacks – from who might have leaked the vulnerability exploits to how ransomware gangs are taking advantage of the flaws. Also featured: Tackling the cybercrime business model; assessing "zero trust."
Email security vendor Mimecast, which was targeted by the SolarWinds supply chain hack in January, reports in a Tuesday update that the hackers used the "Sunburst" backdoor as an initial attack vector to steal some source code. But Mimecast says it "found no evidence of any modifications" to that code.
He started his cybersecurity career as a pen tester. As a result, Gong CISO Jack Leidecker retains an affinity for the tech community and emerging tools. He shares insight on this passion and his drive to ensure security’s role in business enablement.
It has been an open question as to how a half-dozen hacking groups began exploiting Exchange servers in an automated fashion in the days leading up to Microsoft's patches. But there are strong signs that the exploit code leaked, and the question now is: Who leaked it?
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