Security Affairs

MARCH 10, 2025

Microsoft researchers reported that North Korea-linked APT tracked as Moonstone Sleet has employed the Qilin ransomware in limited attacks. Microsoft observed a North Korea-linked APT group, tracked as Moonstone Sleet, deploying Qilin ransomware in limited attacks since February 2025. ” Microsoft wrote on X. .

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Ransomware VPN Healthcare Malware 117

Security Affairs

NOVEMBER 19, 2024

Russian Phobos ransomware operator Evgenii Ptitsyn, accused of managing attacks, was extradited from South Korea to the US to face cybercrime charges. Russian Phobos ransomware operator Evgenii Ptitsyn, suspected of playing a key role in the ransomware operations, was extradited from South Korea to the US to face cybercrime charges.

Cybercrime 114

Cybercrime Ransomware Healthcare Education 114

Security Affairs

NOVEMBER 29, 2024

Russian authorities arrested ransomware affiliate Mikhail Matveev, aka Wazawaka, for developing malware and ties to hacking groups. In May 2023, the US Justice Department charged Russian national Mikhail Pavlovich Matveev for his alleged role in multiple ransomware attacks. ” reported RIA Novosti.

Ransomware 117

Ransomware Healthcare Hacking Malware 117

Security Affairs

NOVEMBER 6, 2024

Georgia, a ransomware attack disrupted Memorial Hospital and Manor’s access to its Electronic Health Record system. A ransomware attack hit Memorial Hospital and Manor in Bainbridge, Georgia, and disrupted the access to its Electronic Health Record system. healthcare providers, NorthBay Healthcare and Weiser Memorial Hospital.

Ransomware 124

Ransomware Healthcare Antivirus Data breaches 124

Krebs on Security

NOVEMBER 22, 2019

A ransomware outbreak has besieged a Wisconsin based IT company that provides cloud data hosting, security and access management to more than 100 nursing homes across the United States. based Saint Francis Healthcare System began notifying patients about a ransomware attack that left physicians unable to access medical records prior to Jan.

Ransomware 363

Ransomware Computers and Electronics Healthcare Data breaches 363

Webroot

OCTOBER 31, 2024

This year has seen ransomware groups adapt and innovate, pushing the boundaries of their malicious capabilities and evasiveness from law enforcement. In our annual “Nastiest Malware” report, now in its sixth year, we’ve observed a steady increase in both the number and sophistication of malware attacks.

Malware 104

Malware Ransomware Passwords Healthcare 104

Malwarebytes

DECEMBER 2, 2024

The US Department of Justice has charged a Russian national named Evgenii Ptitsyn with selling, operating, and distributing a ransomware variant known as “Phobos” during a four-year cybercriminal campaign that extorted at least $16 million from victims across the world.

Ransomware 124

Ransomware Backups Small Business Malware 124

Security Affairs

NOVEMBER 13, 2024

Bitdefender released a decryptor for the ShrinkLocker ransomware, which modifies BitLocker configurations to encrypt a system’s drives. ShrinkLocker ransomware was first discovered in May 2024 by researchers from Kaspersky. “ShrinkLocker is a novel ransomware strain that leverages a unique approach to encrypt systems.

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Ransomware Encryption Passwords Backups 121

Krebs on Security

NOVEMBER 17, 2022

Peter is an IT manager for a technology manufacturer that got hit with a Russian ransomware strain called “ Zeppelin ” in May 2020. There are multiple examples of ransomware groups doing just that after security researchers crowed about finding vulnerabilities in their ransomware code.

Ransomware 354

Ransomware Encryption Backups Manufacturing 354

Krebs on Security

OCTOBER 28, 2020

26, KrebsOnSecurity began following up on a tip from a reliable source that an aggressive Russian cybercriminal gang known for deploying ransomware was preparing to disrupt information technology systems at hundreds of hospitals, clinics and medical care facilities across the United States. hospitals and healthcare providers.”

Ransomware 279

Ransomware Healthcare Computers and Electronics Cybercrime 279

Graham Cluley

OCTOBER 17, 2024

No-one would be bold enough to say that the ransomware problem is receding, but a newly-published report by Microsoft does deliver a slither of encouraging news amongst the gloom. And boy do we need some good news - amid reports that 389 US-based healthcare institutions were hit by ransomware last year - more than one every single day.

Ransomware 114

Ransomware Encryption Healthcare Data breaches 114

Krebs on Security

JUNE 2, 2020

The criminal group behind the REvil ransomware enterprise has begun auctioning off sensitive data stolen from companies hit by its malicious software. Over the past 24 hours, the crooks responsible for spreading the ransom malware “REvil” (a.k.a. A partial screenshot from the REvil ransomware group’s Dark Web blog.

Ransomware 340

Ransomware Backups Encryption Internet 340

Security Affairs

NOVEMBER 18, 2024

A ransomware attack on Great Plains Regional Medical Center compromised personal data of 133,000 individuals, exposing sensitive information. On September 8, 2024, Great Plains Regional Medical Center (Oklahoma) suffered a ransomware attack. “On September 8, 2024, we suffered a ransomware attack on our computer system.

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Ransomware Insurance Encryption Healthcare 123

SecureWorld News

FEBRUARY 20, 2025

The FBI, CISA, and MS-ISAC have issued a joint cybersecurity advisory warning organizations about Ghost (Cring) ransomware, a sophisticated cyber threat that has been compromising critical infrastructure, businesses, and government entities worldwide.

Ransomware 110

Ransomware IoT Encryption Social Engineering 110

Krebs on Security

MARCH 1, 2022

A Ukrainian security researcher this week leaked several years of internal chat logs and other sensitive data tied to Conti , an aggressive and ruthless Russian cybercrime group that focuses on deploying its ransomware to companies with more than $100 million in annual revenue. News of the Trickbot compromise was first published here on Oct.

Ransomware 304

Ransomware Healthcare Cybercrime Government 304

Security Affairs

MARCH 24, 2025

The Cloak ransomware group claims responsibility for a cyberattack on the Virginia Attorney Generals Office that occurred in February. The ransomware group Cloak has claimed responsibility for a February cyberattack on the Virginia Attorney General Office. ” reads a report published by Halcyon.

Ransomware 101

Ransomware Hacking Social Engineering VPN 101

Adam Levin

APRIL 9, 2019

Israeli cybersecurity researchers have created malware capable of showing fake cancerous growths on CT and MRI scans. The malware, called CT-GAN, served as a proof of concept to show the potential for hacking medical devices with fake medical news that was convincing enough to fool medical technicians.

Malware 254

Malware Healthcare Technology Ransomware 254

The Last Watchdog

NOVEMBER 8, 2021

Related: Hackers relentlessly target healthcare providers. However, healthcare data ranks at the top of the list for needing improvements in security and privacy protections. There are many reasons for the vulnerable state of healthcare data. Healthcare data security and privacy is a problem that continues to grow.

Healthcare 268

Healthcare Technology Architecture IoT 268

Security Affairs

DECEMBER 21, 2024

Romanian national was sentenced to 20 years in prison for his role in NetWalker ransomware attacks, pleading guilty to fraud charges in June. Romanian national Daniel Christian Hulea, 30, was sentenced to 20 years in prison for his role in NetWalker ransomware attacks. ” reads the press release published by DoJ. in restitution.”

Ransomware 107

Ransomware Healthcare Government Cryptocurrency 107

Krebs on Security

OCTOBER 12, 2020

has executed a coordinated legal sneak attack in a bid to disrupt the malware-as-a-service botnet Trickbot , a global menace that has infected millions of computers and is used to spread ransomware. 27, UHS shut down its computer systems at healthcare facilities across the United States in a bid to stop the spread of the malware.

Healthcare 362

Healthcare Ransomware Internet Internet 362

Malwarebytes

FEBRUARY 28, 2024

On Wednesday February 21, 2024, Change Healthcare—a subsidiary of UnitedHealth Group—experienced serious system outages due to a cyberattack. In a Form 8-K filing the company said it: “identified a suspected nation-state associated cyber security threat actor had gained access to some of the Change Healthcare information technology systems.”

Healthcare 125

Healthcare Ransomware Backups Technology 125

Security Affairs

JULY 7, 2022

US authorities have issued a joint advisory warning of North Korea-linked APTs using Maui ransomware in attacks against the Healthcare sector. Treasury Department issued a joint advisory that warn of North-Korea-linked threat actors using Maui ransomware in attacks aimed at organizations in the Healthcare sector.

Healthcare 139

Healthcare Ransomware Encryption Government 139

Krebs on Security

DECEMBER 16, 2019

As if the scourge of ransomware wasn’t bad enough already: Several prominent purveyors of ransomware have signaled they plan to start publishing data stolen from victims who refuse to pay up. The message displayed at the top of the Maze Ransomware public shaming site. Follow the news!”

Ransomware 245

Ransomware Data breaches Healthcare Cybercrime 245

Malwarebytes

APRIL 10, 2024

The Change Healthcare ransomware attack has taken a third cruel twist. Change Healthcare is one of the largest healthcare technology companies in the USA, responsible for the flow of payments between payers, providers, and patients. ” The announcement follows a series of events that require some unpacking. .”

Healthcare 117

Healthcare Ransomware Backups Software 117

Krebs on Security

OCTOBER 2, 2020

Over the past 10 days, someone has been launching a series of coordinated attacks designed to disrupt Trickbot , an enormous collection of more than two million malware-infected Windows PCs that are constantly being harvested for financial data and are often used as the entry point for deploying ransomware within compromised organizations.

Ransomware 360

Ransomware Malware Healthcare Internet 360

Security Affairs

MARCH 10, 2025

Another American hospital falls victim to a ransomware attack; the RansomHouse gang announced the hack of Loretto Hospital in Chicago.” They provide healthcare services including: primary care, geriatric medicine, vision care, behavioral health services, pediatrics, womens health, pediatric medicine, family planning and dental services.

Hacking 115

Hacking Healthcare Backups Ransomware 115

Krebs on Security

NOVEMBER 7, 2019

Hospitals that have been hit by a data breach or ransomware attack can expect to see an increase in the death rate among heart patients in the following months or years because of cybersecurity remediation efforts, a new study posits. “There is a lot of possible research that might be unleashed by this study.

Data breaches 275

Data breaches Healthcare Ransomware Cyber threats 275

Graham Cluley

NOVEMBER 15, 2022

Healthcare organisations in the United States are being warned to be on their guard once again, this time against a family of ransomware known as Venus. Read more in my article on the Tripwire State of Security blog.

Healthcare 134

Healthcare Ransomware Malware 134

Security Affairs

NOVEMBER 28, 2023

The US Healthcare provider Ardent Health Services disclosed that it was the victim of a ransomware attack last week. Ardent Health Services is a healthcare company that operates hospitals and other medical facilities in the United States. The healthcare provider disclosed that it has suffered a ransomware attack on November 23.

Healthcare 131

Healthcare Ransomware Technology Internet 131

The Last Watchdog

FEBRUARY 21, 2022

The headlines are disturbing: Breach of patient records ; Surgeries and appointments cancelled due to IT outage ; and even, Death attributed to ransomware attack on hospital. Related: High-profile healthcare hacks in 2021. In healthcare, it’s a wise investment because more professionals are working remotely.

Healthcare 214

Healthcare Cyber Attacks Education Social Engineering 214

Krebs on Security

DECEMBER 8, 2022

Ransomware groups are constantly devising new methods for infecting victims and convincing them to pay up, but a couple of strategies tested recently seem especially devious. The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them booby-trapped medical records for the “patient.”

Healthcare 324

Healthcare Backups Ransomware Insurance 324

The Last Watchdog

DECEMBER 20, 2021

Within the past year, we have seen a glut of ransomware attacks that made global news as they stymied the operations of many. In May, the infamous Colonial Pipeline ransomware attack disrupted nationwide fuel supply to most of the U.S. Malware, including ransomware, is a fast-growing criminal market.

Malware 256

Malware Phishing Technology Ransomware 256

Security Affairs

DECEMBER 26, 2023

Researchers at NCC Group reported that in November they observed the return of the infamous banking malware Carbanak in ransomware attacks. The cybersecurity firm NCC Group reported that in November the banking malware Carbanak was observed in ransomware attacks. ” reads the report published by NCC Group.

Malware 136

Malware Ransomware Banking Healthcare 136

Security Affairs

SEPTEMBER 20, 2024

Microsoft warns that financially motivated threat actor Vanilla Tempest is using INC ransomware in attacks aimed at the healthcare sector in the U.S. healthcare sector. The threat actor has been active since July 2022, it was observed targeting organizations in the education, healthcare, IT, and manufacturing sectors.

Healthcare 129

Healthcare Ransomware Cybercrime Manufacturing 129

Krebs on Security

DECEMBER 27, 2019

Synoptek , a California business that provides cloud hosting and IT management services to more than a thousand customer nationwide, suffered a ransomware attack this week that has disrupted operations for many of its clients, according to sources. A now-deleted Tweet from Synoptek on Dec.

Ransomware 222

Ransomware Media Financial Services Retail 222

The Last Watchdog

DECEMBER 16, 2024

Williams Dr. Darren Williams , CEO, BlackFog Lesser-known ransomware groups like Hunters International will grow rapidly, leveraging AI for more efficient attacks, while “gang-hopping” by cybercriminals complicates attribution and containment. This empowers them to proactively prioritize what matters most.

Cyber threats 264

Cyber threats CISO IoT Phishing 264

Krebs on Security

JANUARY 6, 2020

Organizations in the throes of cleaning up after a ransomware outbreak typically will change passwords for all user accounts that have access to any email systems, servers and desktop workstations within their network. VCPI) was hit by the Ryuk ransomware strain. In mid-November 2019, Wisconsin-based Virtual Care Provider Inc.

Passwords 253

Passwords Ransomware Password Management Malware 253