Security Affairs

OCTOBER 7, 2024

238,000 Comcast customers were impacted by the FBCS data breach following the February ransomware attack, Comcast reports. Telecommunications giant Comcast is notifying approximately 238,000 customers impacted by the Financial Business and Consumer Solutions (FBCS) data breach. reads the notice of data breach.

Data breaches 130

Data breaches Telecommunications Ransomware Accountability 130

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. The telecommunication giant is in the process of notifying impacted customers.

Data breaches 145

Data breaches Mobile Telecommunications Wireless 145

Security Affairs

DECEMBER 4, 2024

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. 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 124

Ransomware Telecommunications Healthcare Insurance 124

Security Affairs

MARCH 30, 2024

AT&T confirmed that a data breach impacted 73 million current and former customers after its data were leaked on a cybercrime forum. In March 2024, more than 70,000,000 records from an unspecified division of AT&T were leaked onto Breached forum, vx-underground researchers reported.

Data breaches 144

Data breaches Telecommunications Cybercrime Hacking 144

Bleeping Computer

FEBRUARY 1, 2023

only telecommunications and mobile internet service, has informed customers that personal data was exposed by a data breach at one of its primary network providers, with some customers warned that it allowed SIM swapping attacks. [.] Google Fi, Google's U.S.-only

Data breaches 135

Data breaches Telecommunications Mobile Internet 135

Security Affairs

APRIL 11, 2020

San Francisco International Airport (SFO) disclosed a data breach, its websites SFOConnect.com and SFOConstruction.com were hacked last month. In March hackers compromised two websites of San Francisco International Airport (SFO) and now it disclosed a data breach. ” continues the data breach notice.

Data breaches 145

Data breaches Hacking Telecommunications Advertising 145

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. SecurityAffairs – hacking, data breach). Pierluigi Paganini.

Data breaches 131

Data breaches Mobile Telecommunications Wireless 131

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.

Data breaches 131

Data breaches Telecommunications Banking Mobile 131

Heimadal Security

FEBRUARY 9, 2024

An insider data breach at Verizon has compromised the personal information of more than 63,000 employees, nearly half of the company’s global workforce.

Data breaches 115

Data breaches Telecommunications Cybersecurity 115

Security Affairs

APRIL 10, 2024

AT&T confirmed that the data breach impacted 51 million former and current customers and is notifying them. AT&T revealed that the recently disclosed data breach impacts more than 51 million former and current customers and is notifying them. ” reads the data breach notification.

Data breaches 125

Data breaches Telecommunications Identity Theft Hacking 125

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. Pierluigi Paganini.

Wireless 136

Wireless Data breaches Mobile Telecommunications 136

Bleeping Computer

JANUARY 13, 2022

The Federal Communications Commission (FCC) has proposed more rigorous data breach reporting requirements for telecom carriers in response to breaches that recently hit the telecommunications industry. [.].

Data breaches 116

Data breaches Telecommunications 116

Heimadal Security

NOVEMBER 3, 2022

Vodafone Italia is notifying its customers of a data breach, stating that a reseller of its telecommunications services in Italy, FourB S.p.A, The post Vodafone Italy Confirms September Data Breach appeared first on Heimdal Security Blog. was the victim of a cyberattack. It […].

Data breaches 106

Data breaches Telecommunications Cybersecurity 106

Schneier on Security

OCTOBER 6, 2021

This is interesting: A company that is a critical part of the global telecommunications infrastructure used by AT&T, T-Mobile, Verizon and several others around the world such as Vodafone and China Mobile, quietly disclosed that hackers were inside its systems for years, impacting more than 200 of its clients and potentially millions of cellphone (..)

Hacking 69

Hacking Telecommunications Mobile Data breaches 69

Security Affairs

MARCH 16, 2020

Hackers have stolen O2 customers’ data from a database run by Aerial Direct , one of the largest UK partners of the telecommunications services provider. ” reads the data breach notification published by the company. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

Data breaches 138

Data breaches Telecommunications Passwords Advertising 138

Bleeping Computer

FEBRUARY 12, 2024

Starting March 13th, telecommunications companies must report data breaches impacting customers' personally identifiable information within 30 days, as required by FCC's updated data breach reporting requirements. [.]

Data breaches 111

Data breaches Telecommunications 111

CyberSecurity Insiders

OCTOBER 9, 2022

Just within 3 weeks of confirmation, Singapore Telecommunication LTD aka SingTel has confirmed another data breach after Optus Cyber Attack. The post SingTel confirms another data breach after Optus Cyber Attack appeared first on Cybersecurity Insiders.

Data breaches 131

Data breaches Cyber Attacks Telecommunications Hacking 131

CSO Magazine

APRIL 11, 2023

On January 6, the United States Federal Communications Commission (FCC) launched a notice of proposed rulemaking (NPRM) to update its data breach reporting rules for telecommunications carriers. To read this article in full, please click here

Data breaches 118

Data breaches Telecommunications 118

Security Affairs

JANUARY 20, 2020

. “On June 28, last year, a suspicious behavior was detected and investigated on a terminal in our company, and as a result of unauthorized access by a third party, data was transmitted to the outside,” reads a data breach notification published by the company. SecurityAffairs – data breach, hacking).

Data breaches 145

Data breaches Media Computers and Electronics Cyber Attacks 145

Heimadal Security

JANUARY 20, 2023

T-Mobile announced a new data breach after a threat actor used one of its Application Programming Interfaces to steal personal data from 37 million active postpaid and prepaid customer accounts (APIs).

Data breaches 104

Data breaches Mobile Telecommunications Accountability 104

Approachable Cyber Threats

MARCH 9, 2023

Category Awareness, News, Case Study As one of the world’s fastest-growing industries, telecommunication has become a highly vulnerable target for cybersecurity threats. In short, telecommunications (telecom) is a fundamental and critical component of our global infrastructure. Read more of the ACT

Telecommunications 93

Telecommunications IoT Firewall Encryption 93

Malwarebytes

APRIL 2, 2024

Telecommunications giant AT&T has finally confirmed that 73 million current and former customers have been caught up in a massive dark web data leak. The leaked data includes names, addresses, mobile phone numbers, dates of birth, and social security numbers. Check the vendor’s advice.

Data breaches 145

Data breaches Passwords Phishing Accountability 145

The Hacker News

OCTOBER 5, 2022

Australia's largest telecommunications company Telstra disclosed that it was the victim of a data breach through a third-party, nearly two weeks after Optus reported a breach of its own. And no customer account data was involved."

Data breaches 104

Data breaches Telecommunications Accountability Information Security 104

Security Affairs

JUNE 9, 2024

Last week, the RansomHub ransomware group claimed to have stolen the information of over 2 million customers from the American telecommunications company Frontier Communications. The RansomHub group claimed to have stolen 5GB of data from the telecommunications giant. concludes the letter reads.

Data breaches 101

Data breaches Identity Theft Telecommunications Cybercrime 101

Security Affairs

AUGUST 18, 2021

Yesterday T-Mobile confirmed a data breach but announced that it was still investigating the extent of the security breach. The company announced to have started a “deep technical review of the situation across our systems to identify the nature of any data that was illegally accessed.” Pierluigi Paganini.

Data breaches 102

Data breaches Mobile Telecommunications Accountability 102

Security Affairs

OCTOBER 5, 2022

Bad news for the Australian telecommunications industry, the largest company in the country Telstra suffered a data breach. Australia’s largest telecommunications company Telstra disclosed a data breach through a third-party supplier. It seems that the security breach also impacted other companies.

Data breaches 98

Data breaches Telecommunications Accountability Information Security 98

Security Affairs

MARCH 27, 2025

Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). stealing customer data. is a US-based telecommunications company that provides broadband internet, cable TV, and phone services. has not yet confirmed the alleged data breach. ” WOW!

Hacking 76

Hacking Telecommunications Data breaches Internet 76

Security Affairs

MARCH 5, 2021

SITA is a multinational information technology company providing IT and telecommunication services to the air transport industry. SecurityAffairs – hacking, data breach). The post Millions of travelers of several airlines impacted by SITA data breach appeared first on Security Affairs. Pierluigi Paganini.

Data breaches 117

Data breaches Telecommunications Technology Hacking 117

Tech Republic Security

SEPTEMBER 17, 2024

Cyber attackers are using malicious emails to infiltrate critical national infrastructure, like utilities, transport, telecommunications, and now data centres.

Telecommunications 211

Telecommunications Cyber Attacks Data breaches Cybersecurity 211

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

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

MARCH 5, 2020

New problems for the wireless carrier T-Mobile that disclosed a data breach that exposed some of the customers’ personal information. A data breach notification published by the telecommunications giant on its website revealed that the security breach impacted both employees and customers.

Mobile 145

Mobile Data breaches Telecommunications Wireless 145

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 133

Mobile Data breaches Telecommunications Identity Theft 133

Security Affairs

MARCH 10, 2023

CPNI is information related to the telecommunications services purchased by the customers, including the number of lines for each account or the wireless plan to which customers are subscribed. ” reads a data breach communication sent by the company to the impacted customers. credit card data) or sensitive data (i.e. .

Data breaches 98

Data breaches Hacking Wireless Telecommunications 98

Heimadal Security

MARCH 1, 2021

After an undisclosed number of subscribers were reportedly hit by malicious SIM swapping attacks, American telecommunications company T-Mobile has announced a data breach. The post T-Mobile Confirms Data Breach and SIM Swapping Attacks appeared first on Heimdal Security Blog.

Data breaches 70

Data breaches Mobile Telecommunications Accountability 70

Security Affairs

FEBRUARY 21, 2020

The Defense Information Systems Agency (DISA) US agency in charge of secure IT and communication for the White House has disclosed a data breach. The agency sent a data breach notification to its employees last week informing them of a security breach that took place last year between May and July.

Data breaches 144

Data breaches Telecommunications Advertising Hacking 144

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. Pierluigi Paganini.

Mobile 143

Mobile Data breaches Telecommunications Passwords 143