Security Affairs

JANUARY 26, 2025

The Change Healthcare data breach is worse than initially estimated: approximately 190 million people have been affected. The Change Healthcare data breach is worse than initially estimated, the incident has impacted 190 million people. The incident impacted thousands of pharmacies and healthcare providers.

Healthcare

SecureWorld News

OCTOBER 28, 2024

UnitedHealth Group recently confirmed that a ransomware attack on subsidiary Change Healthcare has compromised the personal information and healthcare data of more than 100 million individuals. In its guidelines on handling data breaches in healthcare, the U.S. Maybe the healthcare industry needs a similar regulation."

Healthcare

Malwarebytes

OCTOBER 25, 2024

In April, we reported that a “substantial proportion” of Americans may have had their health and personal data stolen in the Change Healthcare breach. That was based on a report provided by the UnitedHealth Group after the February cyberattack on its subsidiary Change Healthcare. He wasn’t exaggerating.

Healthcare

Security Affairs

DECEMBER 4, 2024

BT Group (formerly British Telecom)’s Conferencing division shut down some of its servers following a Black Basta ransomware attack. British multinational telecommunications holding company BT Group (formerly British Telecom) announced it has shut down some of its servers following a Black Basta ransomware attack. reads the CSA.

Ransomware

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

Security Affairs

JUNE 22, 2025

Qilin ransomware gang now offers a “Call Lawyer” feature to help affiliates pressure victims into paying, per Cybereason. The Qilin ransomware group is now offering legal support to its affiliates through a “Call Lawyer” feature to pressure victims into paying. ” reads the report published by Cybereason.

Ransomware

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. The Treasury Department sanctioned the ransomware actor.

Ransomware

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

Tech Republic Security

JULY 23, 2025

Federal agencies warn of rising Interlock ransomware attacks targeting healthcare and critical sectors using double extortion and advanced social engineering.

Healthcare

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.

Ransomware

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

The Last Watchdog

MARCH 24, 2025

24, 2025, CyberNewswire – – INE Security , a global provider of cybersecurity training and certification, today announced its initiative to spotlight the increasing cyber threats targeting healthcare institutions. Recent reports show healthcare has endured a record wave of cyber breaches. Cary, NC, Mar.

Healthcare

Joseph Steinberg

APRIL 23, 2025

Healthcare Cybersecurity And How to Fix It. From ransomware and cloud misconfigurations to vulnerable medical devices, U.S. healthcare organizations are under relentless cyber pressure and the risks to patient safety have never been higher. Whats Broken in U.S. Youll walk away with: – Lessons from real-world U.S.

Healthcare

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. All they need is one successful attempt to gain initial access."

Ransomware

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. .

Ransomware

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

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

SecureWorld News

DECEMBER 3, 2024

In a surprising move related to international cybercrime, Russian authorities have charged Mikhail Matveev, also known as "Wazawaka," with creating ransomware to extort commercial organizations, according to Russian media outlet RIA. His alleged exploits include: The 2021 attack on Washington, D.C.'s Multiple attacks on critical U.S.

Cybercrime

ZoneAlarm

DECEMBER 9, 2024

Ransomware attacks continue to disrupt industries worldwide, with healthcare remaining a high-profile target due to the sensitivity and critical nature of its data. Anna Jaques Hospital experienced a ransomware attack in late 2023, exposing confidential information of over 310,000 patients.

Ransomware

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.

Ransomware

Security Affairs

JULY 26, 2025

An international law enforcement operation seized the dark web data leak site of the BlackSuit ransomware group. A banner on the BlackSuit ransomware group’s TOR data leak sites informs visitors that they were seized by U.S. The BlackSuit ransomware operation has been active since April 2023.

Ransomware

eSecurity Planet

JULY 27, 2025

agencies have issued a joint cybersecurity alert warning about the escalating threat posed by the Interlock ransomware operation, which has increasingly targeted businesses, healthcare providers, and critical infrastructure entities across North America and Europe. Still, healthcare organizations have been frequent victims.

Healthcare

Security Affairs

MAY 3, 2025

The Rhysida Ransomware gang claims the hack of the Government of Peru, the gang breached Gob.pe, the Single Digital Platform of the Peruvian State. The Rhysida ransomware gang claims responsibility for hacking the Government of Peru, breaching Gob.pe, which is the country’s official digital platform.

Government

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

Security Affairs

MARCH 7, 2025

Medusa ransomware has claimed nearly 400 victims since January 2023, with attacks increasing by 42% between 2023 and 2024. The Symantec Threat Hunter Team reported that the Medusa ransomware operators have claimed nearly 400 victims since January 2023. Experts tracked the Medusa ransomware activity as Spearwing.

Ransomware

Security Affairs

MARCH 26, 2025

Resecurity found an LFI flaw in the leak site of BlackLock ransomware, exposing clearnet IPs and server details. Resecurity has identified a Local File Include (LFI) vulnerability in Data Leak Site (DLS) of BlackLock Ransomware. BlackLock Ransomware was named as one of the fastest-growing ransomware strains for today.

Ransomware

Security Affairs

DECEMBER 8, 2024

Anna Jaques Hospital revealed thatthe ransomware attack it suffered last year has exposed sensitive health data for over 316,000 patients. On December 25, 2023, a ransomware attack hit the Anna Jaques Hospital. Anna Jaques Hospital is a not-for-profit community healthcare facility located in Newburyport, Massachusetts.

Data breaches

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

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

Security Affairs

APRIL 8, 2025

The Tor leak site of the Everest ransomware group went offline after being hacked and defaced over the weekend. The Everest ransomware gangs darknet site went offline after being hacked and defaced, with victim listings replaced by the following message. In August 2024, the U.S.

Ransomware

Security Affairs

JUNE 2, 2025

At this time, it’s unclear whether data was stolen or ransomware was employed. We are working to provide healthcare services as normal. If patients have questions, they should contact their providers office, At the time of this writing, no ransomware group has claimed responsibility for the attack.

Healthcare

Security Affairs

MARCH 2, 2025

The Qilin ransomware group claims responsibility for attacking the newspaper Lee Enterprises, stealing 350GB of data. The Qilin ransomware group claimed responsibility for the recent cyberattack on Lee Enterprises, which impacted dozens of local newspapers. Qilin has targeted various sectors, including healthcare.

Ransomware

Security Boulevard

AUGUST 5, 2025

There’s no such thing as a routine day in healthcare IT anymore. While clinicians focus on saving lives, cybersecurity teams are fighting their own battles behind the scenes—battles against credential thieves, ransomware disruptions, phishing attacks and supply chain vulnerabilities that can knock entire hospital systems offline.

Healthcare

Security Affairs

NOVEMBER 28, 2024

It provides healthcare for people of the Wirral Peninsula and the surrounding areas of North West England and North Wales. 2] The UK healthcare provider suffered a cyberattack that impacted its systems forcing the healthcare organization to postpone appointments and scheduled procedures.

Healthcare

Security Affairs

APRIL 13, 2025

The ransomware group has since leaked the stolen data on its dark web leak site. Ransomware attacks on U.S. healthcare providers surged in 2024, with 98 attacks compromising 117 million records. Cell C has confirmed a data breach following a RansomHouse cyberattack that occurred last year.

Data breaches

Malwarebytes

DECEMBER 31, 2024

100 million US citizens officially impacted by Change Healthcare data breach. Ransomware incidents are also a big source of data breaches. When victims refuse to pay, the ransomware groups publish stolen data, as we saw with pharmacy chain Rite Aid. Dell notifies customers about data breach (49 million customers) 4.

Data breaches