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 82

Data breaches Computers and Electronics Hacking Wireless 82

Security Affairs

DECEMBER 30, 2020

T-Mobile has disclosed a data breach that exposed customers’ network information (CPNI), including phone numbers and calls records. T-Mobile has disclosed a data breach exposing customers’ account’s information. SecurityAffairs – hacking, T-Mobile). Pierluigi Paganini.

Data breaches 145

Data breaches Mobile Telecommunications Accountability 145

Security Affairs

NOVEMBER 22, 2019

Bad news for T-Mobile prepaid customer, the US-based telecom giant T-Mobile today disclosed a new data breach incident. The US branch of the telecommunications giant T -Mobile disclosed a security breach that according to the company impacted a small number of customers of its prepaid service.

Wireless 137

Wireless Data breaches Mobile Telecommunications 137

Security Affairs

AUGUST 16, 2021

T-Mobile confirms a breach after threat actors claimed to have obtained records of 100 million of its customers and offered them for sale. T-Mobile has confirmed a data breach that exposed personal information from over 100 million of its US customers.

Data breaches 133

Data breaches Mobile Telecommunications Wireless 133

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 129

Data breaches Financial Services Hacking Mobile 129

Security Affairs

OCTOBER 28, 2024

that provides voice, video, data, and Internet telecommunications to consumers in France. million mobile and fixed subscribers. Free disclosed a cyber attack over the weekend after a threat actor attempted to sell the stolen data on a popular cybercrime forum. Free S.A.S. ” wrote the cyber evangelist SaxX.

Cyber Attacks 126

Cyber Attacks Telecommunications Data breaches Banking 126

Security Affairs

AUGUST 22, 2021

T-Mobile data breach could be worse than initially thought, an update to the investigation reveals that over 54 million individuals were impacted. T-Mobile data breach could be worse than initially thought, according to an update to the investigation over 54 million customers had their data compromised.

Data breaches 125

Data breaches Mobile Accountability Phishing 125

Security Affairs

MAY 20, 2025

South Korean mobile network operator SK Telecom revealed that the security breach disclosed in April began in 2022. SK Telecom is South Koreas largest wireless telecom company, a major player in the countrys mobile and tech landscape. Leaked data includes phone numbers, IMSIs, SIM keys, and HSS-stored info.

Malware 107

Malware Mobile Data breaches Wireless 107

Security Affairs

MAY 1, 2023

T-Mobile disclosed the second data breach of 2023, threat actors had access to the personal information of hundreds of customers since February. T-Mobile suffered the second data breach of 2023, threat actors had access to the personal information of hundreds of customers starting in late February 2023.

Data breaches 98

Data breaches Mobile Identity Theft Accountability 98

Security Affairs

APRIL 1, 2024

The OWASP Foundation disclosed a data breach that impacted some members due to a misconfiguration of an old Wiki web server. The OWASP Foundation has disclosed a data breach that impacted some of its members. No joke, we did have a data breach in late March involving the resumes of our earliest members.

Data breaches 143

Data breaches Mobile Software Media 143

Security Affairs

AUGUST 18, 2021

T-Mobile has confirmed that hackers have stolen records belonging to 48.6 Recently T-Mobile has launched an investigation into a possible security breach after a threat actor started offering for sale 100 million T-Mobile customer records on the dark web. SecurityAffairs – hacking, data breach).

Data breaches 102

Data breaches Mobile Telecommunications Accountability 102

Security Affairs

JULY 10, 2021

Mint Mobile discloses a data breach, an unauthorized attacker gained access to subscribers’ account information and ported phone numbers. Mint Mobile is an American telecommunications company which sells mobile phone services and operates as an MVNO on T-Mobile’s cellular network in the United States.

Mobile 144

Mobile Data breaches Telecommunications Passwords 144

Security Affairs

JANUARY 30, 2021

US wireless carrier UScellular discloses data breach, personal information of customers may have been exposed and their phone numbers ported. US wireless carrier UScellular discloses a data breach that exposed personal information of its customers. ” reads the USCellular data breach notification.

Data breaches 145

Data breaches Wireless Retail Accountability 145

Security Affairs

MARCH 5, 2020

New problems for the wireless carrier T-Mobile that disclosed a data breach that exposed some of the customers’ personal information. The wireless carrier T-Mobile was victims of a sophisticated cyber attack that targeted its email vendor. ” reads the data breach notification. .

Mobile 145

Mobile Data breaches Telecommunications Wireless 145

Daniel Miessler

MAY 19, 2021

Breach : An incident that results in the confirmed disclosure—not just potential exposure—of data to an unauthorized party. This year they analyzed 79,635 incidents, 29,207 met their quality standards, and 5,258 were confirmed data breaches. Top assets in breaches: server, person, user dev.

Data breaches 192

Data breaches Social Engineering Ransomware Phishing 192

Security Affairs

FEBRUARY 27, 2021

The telecommunications giant T-Mobile disclosed a data breach after some of its customers were apparently affected by SIM swap attacks. The telecommunications provider T-Mobile has disclosed a data breach after it became aware that some of its customers were allegedly victims of SIM swap attacks.

Mobile 135

Mobile Data breaches Telecommunications Accountability 135

Security Affairs

JANUARY 20, 2023

Bad news for T-Mobile, the company disclosed a new data breach that resulted in the theft of data belonging to 37 customer accounts. T-Mobile suffered a new data breach, threat actor stole the personal information of 37 million current postpaid and prepaid customer accounts.

Data breaches 98

Data breaches Mobile Accountability Telecommunications 98

Security Affairs

APRIL 26, 2024

Media reported [ 1 , 2 ] that the company is notifying millions of current and former members of a data breach. TechCrunch reported that the company confirmed it shared patients’ information with third-party organizations, including Google, Microsoft and X, for advertising purposes. million residents.

Data breaches 139

Data breaches Healthcare Advertising Mobile 139

Security Affairs

OCTOBER 9, 2023

Flagstar Bank announced a data breach suffered by a third-party service provider exposed the personal information of over 800,000 US customers. Flagstar Bank is warning 837,390 US customers that their personal information was exposed after threat actors breached the third-party service provider Fiserv.

Data breaches 135

Data breaches Banking Hacking Mobile 135

Security Affairs

MAY 9, 2025

The breach temporarily disrupted access to the airlines website, mobile application, and several internal operational systems, prompting swift response measures to mitigate its effects.” ” reads the press release published by the company on its website. .”

Cyber Attacks 112

Cyber Attacks Data breaches Telecommunications Mobile 112

Security Affairs

DECEMBER 24, 2023

Video game publisher Ubisoft is investigating reports of an alleged data breach after popular researchers shared evidence of the hack. Ubisoft , the popular video game publisher, is examining reports of a potential data breach following the disclosure of evidence by prominent researchers vx-underground.

Data breaches 139

Data breaches Hacking Mobile Ransomware 139

Security Affairs

JULY 12, 2024

AT&T disclosed a new data breach that exposed phone call and text message records for approximately 110 million people. AT&T suffered a massive data breach, attackers stole the call logs for approximately 110 million customers, which are almost all of the company’s mobile customers.

Data breaches 133

Data breaches Wireless Mobile Hacking 133

Security Affairs

MARCH 4, 2024

American Express warns customers that their credit cards were exposed due to a data breach experienced by a third-party merchant processor. American Express (Amex) notifies customers that their credit card information has been compromised in a data breach involving a third-party merchant processor.

Data breaches 136

Data breaches Accountability Hacking Mobile 136

Security Affairs

NOVEMBER 7, 2023

The iconic integrated resort Marina Bay Sands in Singapore has disclosed a data breach that impacted 665,000 customers. The Marina Bay Sands (MBS) luxury resort in Singapore has suffered a data breach that impacted 665,000 customers. Marina Bay Sands did not share technical details about the incident.

Data breaches 132

Data breaches Mobile Hacking Cybercrime 132

Security Affairs

OCTOBER 21, 2024

IntelBroker targeted many major organizations in past attacks, including AMD , AT&T, Bank of America, Microsoft, Europol , SAP, T-Mobile, Verizon, and others. Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, data breach)

Cybercrime 132

Cybercrime Data breaches Technology Banking 132

Security Affairs

NOVEMBER 9, 2021

The company disclosed a data breach, a threat actor gained access to the personal information of approximately 7 million customers. According to the data breach notification published by the company on its website, the security breach took place in the evening of November 3, 2021. Pierluigi Paganini.

Data breaches 143

Data breaches Accountability Account Security Banking 143

Security Affairs

FEBRUARY 23, 2024

Australian telecommunications provider Tangerine disclosed a data breach that impacted roughly 230,000 individuals. Tangerine suffered a data breach that exposed the personal information of roughly 230,000 individuals. ” reads the statement published by the company.

Data breaches 133

Data breaches Telecommunications Banking Mobile 133

Security Affairs

MARCH 16, 2020

Hackers have stolen the data of O2 customers from a database operated by Aerial Direct, which is O2’s largest direct business partner in the UK and has more than 130,000 customers. The company provides IP telephony services and equipment, including mobile, fixed lines, as well as call, broadband, conferencing and hosting telecoms.

Data breaches 138

Data breaches Telecommunications Passwords Advertising 138

Security Affairs

MAY 6, 2020

A threat actor is offering a database apparently belonging to Pakistan’s leading telecom service, it includes data of 44 Million Pakistani mobile users. It seems that the huge trove of data was the result of a data breach that took place in 2017, the oldest entries are dated back as 2013. Pierluigi Paganini.

Mobile 137

Mobile Telecommunications Data breaches Advertising 137

Security Affairs

MARCH 14, 2024

Stolen data included corporate files and personal information Nissan refused to pay the ransom and the cybercrime group published the alleged stolen files. The company added that the data breach impacted some Nissan customers, dealers, and current and former employees.

Data breaches 131

Data breaches Identity Theft Financial Services Cybercrime 131

Security Affairs

MAY 22, 2024

The digital imaging products manufacturer OmniVision disclosed a data breach after the 2023 ransomware attack. The company designs and develops digital imaging products for use in mobile phones, laptops, netbooks and webcams, security and surveillance cameras, entertainment, automotive and medical imaging systems.

Data breaches 135

Data breaches Ransomware Manufacturing Encryption 135

Security Affairs

NOVEMBER 20, 2023

The Canadian government discloses a data breach after threat actors hacked two of its contractors. “On October 19 th , 2023, Brookfield Global Relocation Services (BGRS) informed the Government of Canada of a breach involving Government of Canada information held by BGRS and SIRVA Canada systems.”

Data breaches 138

Data breaches Government Hacking Backups 138

Security Affairs

DECEMBER 28, 2020

Threat intelligence analyst discovered a threat actor that is selling a database of the Italian mobile service provider Ho mobile. Ho mobile is an Italian mobile telephone service offered by Vodafone Enabler Italia, an Italian virtual mobile telephone operator. ” Bank Security told me.

Mobile 142

Mobile Banking Data breaches Phishing 142

Security Affairs

AUGUST 15, 2021

T-Mobile is investigating a possible data breach after a threat actor published a post on a forum claiming to be selling the personal data of its customers. The seller told Motherboard that the data was obtained by compromising multiple servers related to T-Mobile. SecurityAffairs – hacking, data breach).

Mobile 112

Mobile Data breaches Telecommunications Hacking 112

Security Affairs

DECEMBER 4, 2024

BT Group operates in 180 countries, the company leads in UK fixed-line, broadband, mobile, TV, and IT services. The group claimed to have stolen 500GB of data including Finacial data, Organisation data, Users data and personal documents, NDA’s, Confidential data, and more.

Ransomware 126

Ransomware Telecommunications Healthcare Insurance 126

Heimadal Security

SEPTEMBER 10, 2021

Singapore-based mobile operator and Internet service provider MyRepublic revealed today that the personal information of almost 79,400 mobile subscribers was potentially accessed by threat actors, making it the latest incident in a string of cyberattacks in recent months. What Happened?

Data breaches 94

Data breaches Mobile Internet Internet 94

Security Affairs

OCTOBER 7, 2021

Depending on broadcast software used by the customer, they may need to manually update the software with this new key to start their next stream: Twitch Studio, Streamlabs, Xbox, PlayStation and Twitch Mobile App users should not need to take any action for your new key to work. SecurityAffairs – hacking, data breach).

Data breaches 119

Data breaches Mobile Software Accountability 119