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. concludes the notice.

Data breaches 107

Data breaches Identity Theft Healthcare Insurance 107

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 125

Data breaches Encryption Hacking Passwords 125

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 127

Data breaches Unstructured Data Identity Theft Healthcare 127

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 334

Data breaches Risk Passwords Government 334

Security Affairs

APRIL 16, 2025

Conduent suffered another security breach in 2020 by the Maze ransomware gang, which stole corporate data. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,data breach)

Data breaches 111

Data breaches Government Cyber Insurance Business Services 111

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. healthcare industry, the company said Friday.”

Healthcare 128

Healthcare Data breaches Insurance Cybercrime 128

Security Affairs

APRIL 26, 2025

African multinational telecommunications company MTN Group disclosed a data breach that exposed subscribers’ personal information. In April 2025, Cell C, one of the biggest telecom providers in South Africa, confirmed a data breach following a 2024 cyberattack.

Data breaches 105

Data breaches Telecommunications Financial Services Mobile 105

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 115

Data breaches Mobile Hacking Malware 115

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 338

Data breaches Identity Theft InfoSec Accountability 338

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.

Data breaches 112

Data breaches Retail Cybercrime Government 112

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 114

Data breaches Passwords Accountability Hacking 114

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 108

Data breaches Banking Insurance Hacking 108

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).

Data breaches 110

Data breaches Identity Theft Accountability Technology 110

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 ” reads the notice of data breach. million individuals.

Data breaches 96

Data breaches Insurance Banking Accountability 96

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. Up until this point, pretty much everything lines up, but for one thing: Where is the 4TB of data? Thanks guys.

Data breaches 363

Data breaches Insurance Identity Theft Accountability 363

Schneier on Security

APRIL 8, 2025

Compromising our telecommunications infrastructure is now little different from performing any other kind of computer intrusion or data breach, a well-known and endemic cybersecurity problem. The hacks reportedly may have resulted in the “vast collection of internet traffic”; from the telecom and internet giants.

Telecommunications 255

Telecommunications Internet Internet Government 255

Schneier on Security

AUGUST 19, 2021

It’s a big one : As first reported by Motherboard on Sunday, someone on the dark web claims to have obtained the data of 100 million from T-Mobile’s servers and is selling a portion of it on an underground forum for 6 bitcoin, about $280,000.

Mobile 363

Mobile Data breaches Phishing Cybercrime 363

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

Data breaches 319

Data breaches Banking Cybercrime Marketing 319

Security Affairs

DECEMBER 8, 2024

Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,Anna Jaques Hospital) .” The hospital offered impacted individuals 24 Months, Experian and 1B credit monitoring.

Data breaches 116

Data breaches Insurance Healthcare Ransomware 116

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 80

Data breaches Computers and Electronics Hacking Wireless 80

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 105

Data breaches Accountability Risk Advertising 105

Security Affairs

JANUARY 3, 2025

A recovery team, with help from a cybersecurity firm, worked to restore systems and assess the attack’s scope, including its potential impact on patient data. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,data breach)

Data breaches 75

Data breaches Ransomware Insurance Healthcare 75

Schneier on Security

SEPTEMBER 16, 2022

It’s big : The breach appeared to have compromised many of Uber’s internal systems, and a person claiming responsibility for the hack sent images of email, cloud storage and code repositories to cybersecurity researchers and The New York Times. “This is a total compromise, from what it looks like.”

Data breaches 278

Data breaches Engineering Phishing Hacking 278

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

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 298

Data breaches Government InfoSec Passwords 298

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 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 million individuals. million individuals.

Data breaches 95

Data breaches Identity Theft Consumer Protection Data collection 95

Security Affairs

APRIL 18, 2025

Legends International disclosed a data breach from November 2024 that affected employees and visitors to its managed venues. ” reads the data breach notification letter sent to impacter individuals. An investigation was launched with assistance from external cybersecurity experts. Law enforcement was also notified.”

Data breaches 103

Data breaches Identity Theft Accountability Technology 103

Schneier on Security

OCTOBER 6, 2021

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

Hacking 69

Hacking Telecommunications Mobile Data breaches 69

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. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs hacking,Port of Seattle) The attack impacted websites and phone systems.

Data breaches 95

Data breaches Ransomware Cyber Attacks Manufacturing 95

Krebs on Security

AUGUST 16, 2021

Like other mobile providers, T-Mobile is locked in a constant battle with scammers who target its own employees in SIM swapping attacks and other techniques to wrest control over employee accounts that can provide backdoor access to customer data. WHO HACKED T-MOBILE?

Mobile 335

Mobile Data breaches Accountability Wireless 335

Security Affairs

APRIL 15, 2025

Hertz Corporation disclosed a data breach after customer data was stolen via Cleo zero-day exploits in late 2024, affecting Hertz, Thrifty, and Dollar brands. Car rental giant Hertz Corporation disclosed a data breach that impacted its Hertz, Thrifty, and Dollar brands.

Data breaches 64

Data breaches Ransomware Software Hacking 64

Security Affairs

MAY 5, 2025

Kelly Benefits has determined that the impact of the recently disclosed data breach is much bigger than initially believed. Benefits and payroll solutions firm Kelly & Associates Insurance Group, aka Kelly Benefits, announced that the impact of a recently disclosed data breach is much bigger than initially estimated.

Data breaches 66

Data breaches Insurance Hacking Ransomware 66

Security Affairs

JANUARY 27, 2025

UK telecommunications firm TalkTalk disclosed a data breach after a threat actor announced the hack on a cybercrime forum. UK telecommunications company TalkTalk confirmed a data breach after a threat actor claimed responsibility for the cyber attack on a cybercrime forum and offered for sale alleged customer data.

Data breaches 69

Data breaches Telecommunications Cybercrime Hacking 69

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 117

Hacking Cybercrime Data breaches Information Security 117

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 124

Government Ransomware Hacking Manufacturing 124

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.

Data breaches 127

Data breaches Financial Services Hacking Mobile 127