A recent Securities and Exchange Commission filing by Tenet Healthcare, a major Dallas-based healthcare delivery organization, provides the latest public peek into the hefty impact a disruptive cyber incident can have on a healthcare entity's finances.
Cybersecurity doesn’t have competitors, it has adversaries. They react to every defense we put in place and seek new ways to achieve their aims - whether they be cybercrime, espionage, or hacktivism. The attackers are innovative, and they share new ways to exploit any vulnerability, so defenders need to share...
A scan of Russian servers led researchers to follow a trail of digital breadcrumbs to find a server with "smoking gun" evidence of connection to MedusaLocker ransomware. The malware has especially affected the healthcare industry. Attack surface risk firm Censys detailed its findings in a report.
Three ISMG editors discuss important cybersecurity issues, including the sharp rise in Maui ransomware attacks, how the FBI seized cryptocurrency ransom payments worth $500,000 from North Korean attackers and advice for CISOs navigating the great zero trust debate.
Security leaders have acted as a result of the cyberattacks' tenacity, sophistication, and disruptiveness. They've switched from being reactive to being proactive, and they're now using the Microsegmentation and Zero Trust approaches.
They are able to discover, respond to, and recover from security breaches with...
The latest edition of the ISMG Security Report asks: Whatever happened to Russia's cyberwar against Ukraine? It also looks at the curious case of a cardiologist who's been accused of moonlighting as a developer of such notorious strains of ransomware as Thanos and Jigsaw.
The U.S. Justice Department clawed back $500,000 from North Korean-government-sponsored cyberattackers who launched Maui ransomware assaults on the U.S. healthcare sector. Healthcare ransomware attacks have soared over the past two years, and the sector is among those most likely to pay a ransom.
The cybercriminals behind BlackCat ransomware have upgraded their arsenal by adding Brute Ratel, a pen-testing tool with remote access features that are used by attackers. The group targets large corporations in different industry segments across the U.S., Europe and Asia.
Microsoft security researchers say they're tracking a hacking group originating in North Korea that may be a side project of an established threat actor. So far the group, which prefers the name "H0lyGh0st," appears not to have collected any ransom.
Ransomware attacks and data breaches: One thing both have in common is the challenge of attempting to accurately understand their true scale and impact. Too often, data breach notifications lack useful details, while ransomware attacks and ransom payments go unreported.
A little more than halfway into the year, hacking incidents, and especially ransomware incidents, as well as breaches involving business associates, are dominating the hundreds of major health data breaches affecting millions of individuals being reported to federal regulators.
Businesses today have to navigate economic crises, global pandemics, shifting regulations, malware and ransomware. Ransomware is big business and attackers are relentless in their pursuit to develop new, creative ways to infiltrate corporate networks and IT environments to seize data and hold it hostage. The key is to...
The latest edition of the ISMG Security Report analyzes why the number of ransomware attacks and the amounts being paid in ransoms are both on the rise. It also discusses today's cyberthreat landscape and whether organizations should rely on user training to improve security.
Seeking maximum profits, ransomware groups continually refine the tactics they use to bypass defenses, infect victims and pressure them into paying. Unfortunately, a reported increase in ransomware attacks and ransom amounts getting paid to criminals suggests these efforts largely remain successful.
Moises Zagala is a 55-year-old cardiologist living in Ciudad Bolivar, Venezuela. He has a bald head and an earnest smile. In one photo, he wears a doctor's white overcoat and has a stethoscope around his neck. But U.S. prosecutors allege Zagala led a double life and claim he's also a cybercriminal.
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