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 108

Data breaches Identity Theft Healthcare Insurance 108

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 99

Data breaches Cyber Attacks Manufacturing Banking 99

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 127

Data breaches Encryption Hacking Authentication 127

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 110

Data breaches Identity Theft Passwords Malware 110

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 117

Data breaches Mobile Hacking Malware 117

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 130

Healthcare Data breaches Insurance Cybercrime 130

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

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

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 337

Data breaches Risk Passwords Government 337

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 113

Data breaches Government Cyber Insurance Business Services 113

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

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 112

Data breaches Identity Theft Accountability Technology 112

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 107

Data breaches Telecommunications Financial Services Mobile 107

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 343

Data breaches Identity Theft InfoSec Accountability 343

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. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,Anna Jaques Hospital)

Data breaches 118

Data breaches Insurance Healthcare Ransomware 118

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

Schneier on Security

AUGUST 19, 2021

The trove includes not only names, phone numbers, and physical addresses but also more sensitive data like social security numbers , driver’s license information, and IMEI numbers , unique identifiers tied to each mobile device.

Mobile 363

Mobile Data breaches Phishing Cybercrime 363

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 97

Data breaches Insurance Banking Accountability 97

Krebs on Security

AUGUST 16, 2022

There was no reason to believe Holistic-K1ller had fabricated their breach claim. This identity has been highly active on Breached and its predecessor RaidForums for more than two years, mostly selling databases from hacked Mexican entities. That same month, they also sold data on 1.4 What was their thought process?”

Data breaches 328

Data breaches Banking Cybercrime Marketing 328

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 83

Data breaches Computers and Electronics Hacking Wireless 83

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 106

Data breaches Accountability Risk Advertising 106

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

JANUARY 30, 2025

“This database contained a significant volume of chat history, backend data and sensitive information, including log streams, API Secrets, and operational details.” Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking, DeepSeek )

Authentication 122

Authentication Passwords Hacking Risk 122

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 97

Data breaches Ransomware Cyber Attacks Manufacturing 97

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 97

Data breaches Identity Theft Consumer Protection Data collection 97

Security Affairs

OCTOBER 31, 2024

Peruvian Interbank confirmed a data breach after threat actors accessed its systems and leaked stolen information online. Interbank disclosed a data breach after a threat actor claimed the hack of the organization and leaked stolen data online. ” reads the statement published by the company.

Data breaches 130

Data breaches Financial Services Hacking Mobile 130

Security Affairs

MAY 26, 2025

The company notified law enforcement and attempted to delete the stolen personal information, suggesting that the organization suffered a ransomware attack. According to the data breach notification, the company identified affected individuals by March 31, 2025. The stolen information varies by individual.

Data breaches 73

Data breaches Identity Theft Healthcare Ransomware 73

Schneier on Security

OCTOBER 6, 2021

No details about the hack. It could be a national intelligence service looking for information. I’ve never heard of the company. It could be nothing.

Hacking 68

Hacking Telecommunications Mobile Data breaches 68

Security Affairs

NOVEMBER 21, 2024

Mexico’s president announced the government is investigating an alleged ransomware hack that targeted the administration’s legal affairs office. Today they are going to send me a report on the supposed hacking.” This is not the first time Mexico’s presidential office has been targeted in a hack involving sensitive information.

Government 144

Government Hacking Ransomware Insurance 144

Troy Hunt

MARCH 18, 2024

What it boils down to is in August 2021, someone with a proven history of breaching large organisations posted what they claimed were 70 million AT&T records to a popular hacking forum and asked for a very large amount of money should anyone wish to purchase the data.

Data breaches 363

Data breaches Encryption Identity Theft InfoSec 363

Hacker's King

DECEMBER 28, 2024

Data breaches and account hacks are a growing concern for users, especially with the personal and professional information shared on the platform. If youre worried about your Instagram account being hacked , it's essential to take proactive steps to protect your data.

Data breaches 52

Data breaches Hacking Passwords Accountability 52

Security Affairs

JANUARY 20, 2025

Data available for sale includes the source code for some company products, including Zerto and ILO (Integrated Lights-Out), SAP Hybris, digital certificates, Docker builds, private GitHub repositories, and old user PII for deliveries. “Today, I am selling the Hewlett Packet Enterprise (HPE) data breach.

Hacking 120

Hacking Cybercrime Data breaches Information Security 120

Troy Hunt

JUNE 30, 2024

Last week, I wrote about The State of Data Breaches and got loads of feedback. Let me explain: Hackers This is where most data breaches begin, with someone illegally accessing a protected system and snagging the data. It's awkward, talking to the first party responsible for the breach.

Data breaches 304

Data breaches Government InfoSec Passwords 304

Security Affairs

OCTOBER 28, 2024

French internet service provider (ISP) Free disclosed a cyber attack, threat actors allegedly had access to customer personal information. that provides voice, video, data, and Internet telecommunications to consumers in France. The seller also published a sample of the stolen data and some screenshots. Free S.A.S.

Cyber Attacks 127

Cyber Attacks Telecommunications Data breaches Banking 127

Security Affairs

APRIL 10, 2025

No OCI customer data has been viewed or stolen. No OCI service has been interrupted or compromised in any way,” Last week, Oracle confirmed a data breach and started informing customers while downplaying the impact of the incident. No Oracle Cloud customers experienced a breach or lost any data.

Hacking 122

Hacking Data breaches Encryption Authentication 122