Security Affairs

DECEMBER 16, 2024

ConnectOnCall disclosed a data breach impacting over 900,000 individuals, exposing their personal information. The company disclosed a data breach that exposed personal information and medical information of more than 900,000 individuals. ” reads the Notice of Data Security Incident.

Data breaches 109

Data breaches Identity Theft Healthcare Insurance 109

Security Affairs

OCTOBER 14, 2024

US-based financial services company Fidelity Investments warns 77,000 individuals of a data breach that exposed their personal information. based financial services company Fidelity Investments is notifying 77,099 individuals that their personal information was compromised in an August cyberattack.

Data breaches 135

Data breaches Financial Services Accountability Hacking 135

Malwarebytes

JANUARY 27, 2025

UnitedHealth says it now estimates that the data breach on its subsidiary Change Healthcare affected 190 million people, nearly doubling its previous estimate from October. Stolen information The data breach at Change Healthcare is the largest healthcare data breach in US history.

Data breaches 126

Data breaches Healthcare Insurance Passwords 126

Malwarebytes

JANUARY 6, 2025

A US chain of dental offices known as Westend Dental LLC denied a 2020 ransomware attack and its associated data breach, instead telling their customers that data was lost due to an accidentally formatted hard drive. No physical safeguards were implemented to limit access to servers containing patient data.

Data breaches 145

Data breaches Ransomware Passwords Insurance 145

Security Affairs

JANUARY 11, 2025

US marijuana dispensary STIIIZY warns customers of leaked IDs and passports following a November data breach. US marijuana dispensary STIIIZY disclosed a data breach after a vendor’s point-of-sale system was compromised by cybercriminals. The exposed information varies for each individual case.

Data breaches 114

Data breaches Retail Cybercrime Government 114

Security Affairs

JUNE 4, 2025

Luxury-goods conglomerate Cartier disclosed a data breach that exposed customer information after a cyberattack. Cartier has disclosed a data breach following a cyberattack that compromised its systems, exposing customers’ personal information.

Data breaches 100

Data breaches Cyber Attacks Manufacturing Banking 100

Troy Hunt

SEPTEMBER 27, 2024

As it relates to the UK GDPR, there are two essential concepts to understand, and they're the first two bulleted items in their personal data breaches guide : The UK GDPR introduces a duty on all organisations to report certain personal data breaches to the relevant supervisory authority.

Data breaches 339

Data breaches Risk Passwords Government 339

Security Affairs

MARCH 8, 2025

A data breach suffered by the Japanese telecom giant NTT exposed information of nearly 18,000 corporate customers. Japanese telecom giant NTT suffered a data breach that exposed information of nearly 18,000 corporate customers. ” reads the data breach notification published by the company.

Data breaches 118

Data breaches Mobile Hacking Malware 118

Security Affairs

APRIL 6, 2025

Oracle confirms a cloud data breach, quietly informing customers while downplaying the impact of the security breach. Oracle confirms a data breach and started informing customers while downplaying the impact of the incident.

Data breaches 128

Data breaches Encryption Hacking Authentication 128

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. According to the Associated Press, UnitedHealth booked $1.1

Healthcare 131

Healthcare Data breaches Insurance Cybercrime 131

Security Affairs

JUNE 19, 2025

Researchers discovered the largest data breach ever, exposing 16 billion login credentials, likely due to multiple infostealers. Researchers announced the discovery of what appears to be the largest data breach ever recorded, with an astonishing 16 billion login credentials exposed. The compilation (“rockyou2024.txt”)

Data breaches 114

Data breaches Identity Theft Passwords Malware 114

Security Affairs

APRIL 13, 2025

Cell C, one of the biggest telecom providers in South Africa confirms a data breach following a 2024 cyberattack. The company founded in 2001 offers prepaid and postpaid mobile plans, data bundles and internet services, fiber broadband, roaming and international calling, SIM-only plans and device deals.

Data breaches 130

Data breaches Unstructured Data Identity Theft Healthcare 130

SecureWorld News

DECEMBER 30, 2024

Recent cybersecurity statistics indicate that data breaches are escalating into a significant international concern. This underscores the need not only for strong preventive measures to protect critical information but also for a well-defined strategy to contain the damage if attackers successfully breach your defenses.

Data breaches 110

Data breaches Social Engineering Passwords Accountability 110

Malwarebytes

DECEMBER 31, 2024

Huge increase in numbers As we reported in July , the number of data breach victims went up 1,170% in Q2 2024, compared to Q2 2023 (from 81,958,874 victims to 1,041,312,601). The huge increase is no big surprise if you look at the size of some of these breaches. Dell notifies customers about data breach (49 million customers) 4.

Data breaches 106

Data breaches Healthcare Passwords Banking 106

Malwarebytes

OCTOBER 10, 2024

A non-profit that benefits millions of people has fallen victim to a data breach and a DDoS attack. It is often used for academic research and data analysis. Cybercriminals managed to breach the site and steal a user authentication database containing 31 million records. Who stole the database and why is not yet known.

Data breaches 129

Data breaches DDOS Internet Internet 129

Security Affairs

APRIL 16, 2025

The business services provider Conduent told the SEC a January cyberattack exposed personal data, including names and Social Security numbers. The business services provider Conduent revealed that personal information, including names and Social Security numbers, was stolen in a January cyberattack.

Data breaches 114

Data breaches Government Cyber Insurance Business Services 114

Security Affairs

DECEMBER 6, 2024

Atrium Health disclosed a data breach affecting 585,000 individuals to the HHS, potentially linked to the use of online tracking tools. Healthcare company Atrium Health disclosed a data breach that impacted 585,000 individuals. The company notified the US Department of Health and Human Services (HHS). added Atrium Health.

Data breaches 113

Data breaches Identity Theft Accountability Technology 113

Troy Hunt

AUGUST 13, 2024

I decided to write this post because there's no concise way to explain the nuances of what's being described as one of the largest data breaches ever. Let's start with the easy bit - who is National Public Data (NPD)? Every person who used some sort of data opt-out service was not present.

Data breaches 364

Data breaches Insurance Identity Theft Accountability 364

Security Affairs

MARCH 19, 2025

California Cryobank, the largest US sperm bank, suffered a data breach exposing customer information. The company disclosed a data breach that exposed customers’ personal information. ” reads the data breach notification letter shared with Maine Attorney General.”Out

Data breaches 110

Data breaches Banking Insurance Hacking 110

Security Affairs

APRIL 26, 2025

African multinational telecommunications company MTN Group disclosed a data breach that exposed subscribers’ personal information. “An unknown third-party has claimed to have accessed data linked to parts of our systems. The ransomware group has since leaked the stolen data on its dark web leak site.

Data breaches 108

Data breaches Telecommunications Financial Services Mobile 108

SecureWorld News

NOVEMBER 13, 2024

On Monday, November 11, Amazon confirmed a data breach that impacted its employee data. The breach, linked to the infamous MOVEit Transfer vulnerability, underscores the far-reaching consequences of last year's major supply chain attack.

Data breaches 117

Data breaches Identity Theft Education Software 117

Security Affairs

FEBRUARY 4, 2025

Online food ordering and delivery platform GrubHub suffered a data breach that exposed the personal information of drivers and customers. This week the online food ordering and delivery firm GrubHub disclosed a data breach that exposed customer and driver information.

Data breaches 116

Data breaches Passwords Accountability Hacking 116

Troy Hunt

JUNE 24, 2024

I've been harbouring some thoughts about the state of data breaches over recent months, and I feel they've finally manifested themselves into a cohesive enough story to write down. Data Breach Victims are Making it Worse I'm talking about class actions.

Data breaches 346

Data breaches Identity Theft InfoSec Accountability 346

Security Affairs

DECEMBER 8, 2024

The investigation aimed to determine the extent of the activity, and whether individual personal information, if any, may have been accessed or acquired by an unauthorized third party. As part of the investigation, we engaged leading third-party cybersecurity experts experienced in handling these types of incidents.

Data breaches 119

Data breaches Insurance Healthcare Ransomware 119

Malwarebytes

OCTOBER 25, 2024

The Office for Civil Rights (OCR) at the HHS confirmed that it prioritized and opened investigations of Change Healthcare and UnitedHealth Group, focused on whether a breach of protected health information (PHI) occurred and on the entities’ compliance with the Health Insurance Portability and Accountability Act of 1996 (HIPAA) Rules.

Healthcare 117

Healthcare Data breaches Identity Theft Passwords 117

Security Boulevard

JANUARY 23, 2025

In the past year, 68% of data breaches involved the human element, according to Verizon. From disgruntled employees committing sabotage to innocent mistakes, humans are one of your organization's greatest information security risks. The post 9 Internal Data Breach Examples to Learn From appeared first on Security Boulevard.

Data breaches 96

Data breaches Information Security Risk 96

Security Affairs

APRIL 11, 2025

Laboratory Services Cooperative discloses a data breach from October 2024 that exposed personal and medical info of 1.6 Laboratory Services Cooperative disclosed a data breach that impacted the personal and medical information of 1.6 “The specific information involved is not the same for everyone.”

Data breaches 98

Data breaches Insurance Banking Accountability 98

Security Affairs

DECEMBER 18, 2024

Meta has been fined 251M ($263M) for a 2018 data breach affecting millions in the EU, marking another penalty for violating privacy laws. The Irish Data Protection Commission (DPC) fined Meta 251 million ($263M) for a 2018 data breach impacting 29 million Facebook accounts.

Data breaches 107

Data breaches Accountability Risk Advertising 107

Security Affairs

JUNE 23, 2025

The ransomware attack that hit McLaren Health Care in 2024 exposed the personal data of 743,000 individuals. McLaren Health Care is notifying over 743,000 people of a data breach discovered on August 5, 2024. ” reads the data breach notification letter shared with the Maine Attorney General’s Office.

Data breaches 66

Data breaches Insurance Identity Theft Ransomware 66

Malwarebytes

APRIL 15, 2025

The Hertz Corporation, on behalf of Hertz, Dollar, and Thrifty brands, is sending breach notifications to customers who may have had their name, contact information, driver’s license, andin rare casesSocial Security Number exposed in a data breach. Check the vendors advice. Set up identity monitoring.

Data breaches 101

Data breaches Ransomware B2B Passwords 101

Security Affairs

JANUARY 3, 2025

“Our investigation was done in consultation with outside cybersecurity professionals who regularly investigate and analyze these types of situations to help determine whether any sensitive data had been compromised because of the incident. ” reads the incident notice published by the RUMC.

Data breaches 78

Data breaches Ransomware Insurance Healthcare 78

Security Affairs

MAY 15, 2025

Coinbase said rogue contractors stole data on under 1% of users and demanded $20M; the data breach was disclosed in an SEC filing. On May 11, 2025, the company received a ransom demand from a threat actor claiming to have customer and internal data. ” reads the filing with SEC. The final impact remains under review.

Data breaches 87

Data breaches Banking Accountability Retail 87

Security Affairs

APRIL 5, 2025

Port of Seattle is notifying 90,000 people of a data breach after personal data was stolen in a ransomware attack in August 2024. The ransomware gang hit organizations in multiple industries, including education, healthcare, manufacturing, information technology, and government sectors. — Seattle-Tacoma Intl. .”

Data breaches 98

Data breaches Ransomware Cyber Attacks Manufacturing 98

Security Affairs

JANUARY 16, 2025

The law firm Wolf Haldenstein disclosed a data breach that exposed the personal information of nearly 3.5 The law firm Wolf Haldenstein disclosed a 2023 data breach that exposed the personal information of nearly 3.5 The law firm pointed out that it has no evidence the exposed data has been misused.

Data breaches 98

Data breaches Identity Theft Consumer Protection Data collection 98

Security Affairs

DECEMBER 29, 2024

notifies customers of credit card data breach, after threat actors hacked a third-party app from its e-commerce provider. disclosed a data breach that exposed its customers’ credit card data after threat actors hacked a third-party application from its e-commerce providerBigCommerce.

Data breaches 84

Data breaches Computers and Electronics Hacking Wireless 84

Krebs on Security

OCTOBER 30, 2024

Change Healthcare says it has notified approximately 100 million Americans that their personal, financial and healthcare records may have been stolen in a February 2024 ransomware attack that caused the largest ever known data breach of protected health information. which suffered a data breach in 2015 affecting 78.8

Healthcare 300

Healthcare Insurance Computers and Electronics Data breaches 300

Troy Hunt

MARCH 18, 2024

" Usually I'd tell them to get in touch with the impacted organisation and request a copy of their data from the breach, but if AT&T's position is that it didn't come from them then they may not be much help.

Data breaches 363

Data breaches Encryption Identity Theft InfoSec 363