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 Accountability 145

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

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

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).

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

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

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. “We recently became aware that some of our customers’ personal information stored on one of our databases has been accessed without permission. .

Data breaches 138

Data breaches Telecommunications Passwords Advertising 138

Security Affairs

MAY 9, 2025

.” In April 2025, the South African multinational telecommunications company MTN Group Limited disclosed a data breach that exposed subscribers personal information, it added that the incident did not impact the core network, billing systems and financial services infrastructure.

Cyber Attacks 109

Cyber Attacks Data breaches Telecommunications Mobile 109

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 101

Data breaches Telecommunications Information Security Accountability 101

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

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

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

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

MARCH 5, 2021

SITA is a multinational information technology company providing IT and telecommunication services to the air transport industry. If you want to receive the weekly Security Affairs Newsletter for free subscribe here. SecurityAffairs – hacking, data breach). Follow me on Twitter: @securityaffairs and Facebook.

Data breaches 117

Data breaches Telecommunications Technology Hacking 117

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

MARCH 27, 2025

Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data. has not yet confirmed the alleged data breach. WideOpenWest (WOW!)

Hacking 76

Hacking Telecommunications Data breaches Internet 76

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

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 Accountability 133

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

NOVEMBER 17, 2024

that reboots locked devices Ymir ransomware, a new stealthy ransomware grow in the wild Amazon discloses employee data breach after May 2023 MOVEit attacks A new fileless variant of Remcos RAT observed in the wild A surge in Pro-Russia cyberattacks after decision to monitor North Korean Troops in Ukraine U.S.

Cryptocurrency 110

Cryptocurrency Malware Hacking Ransomware 110

Security Affairs

MARCH 10, 2023

AT&T is warning some of its customers that some of their information was exposed after the hack of a third-party vendor’s system. AT&T is notifying millions of customers that some of their information was exposed after a third-party vendor was hacked. ”​ Exposed data don’t include financial information (i.e.

Data breaches 98

Data breaches Hacking Wireless Telecommunications 98

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.

Mobile 143

Mobile Data breaches Telecommunications Passwords 143

Krebs on Security

APRIL 11, 2024

New York City based Sisense has more than 1,000 customers across a range of industry verticals, including financial services, telecommunications, healthcare and higher education. ” “We are taking this matter seriously and promptly commenced an investigation,” Dash continued.

CISO 322

CISO Encryption Telecommunications Financial Services 322

Krebs on Security

DECEMBER 12, 2018

Is it fair to judge an organization’s information security posture simply by looking at its Internet-facing assets for weaknesses commonly sought after and exploited by attackers, such as outdated software or accidentally exposed data and devices? In October, FICO teamed up with the U.S. ARE YOU EXPERIANSED?

Cyber Risk 250

Cyber Risk Energy and Utilities Risk Marketing 250

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 is asking for 6 bitcoin (around $270,000) for 30 million social security numbers and driver licenses, while they are privately selling the remaining data.

Mobile 110

Mobile Data breaches Telecommunications Hacking 110

Security Affairs

JULY 16, 2019

US telecommunications company Sprint revealed that hackers compromised an unknown number of customer accounts via the Samsung.com “add a line” website. “On June 22, Sprint was informed of unauthorized access to your Sprint account using your account credentials via the Samsung.com “add a line” website.”

Accountability 104

Accountability Identity Theft Telecommunications Data breaches 104

Security Affairs

MAY 4, 2025

CISA adds SAP NetWeaver flaw to its Known Exploited Vulnerabilities catalog SentinelOne warns of threat actors targeting its systems and high-value clients Google Threat Intelligence Group (GTIG) tracked 75 actively exploited zero-day flaws in 2024 VeriSource data breach impacted 4M individuals U.S. CISA adds Qualitia Active!

Cyber Attacks 71

Cyber Attacks Cybercrime Malware Phishing 71

Security Affairs

MAY 6, 2020

The database contains personally-identifiable and subscription information for 44,000,000 Pakistanis, including customer full names, home addresses (city, region, street name), National identification (CNIC) numbers, mobile phone numbers, landline numbers, and dates of subscription. – Database apparently got hacked in 2017.

Mobile 135

Mobile Telecommunications Advertising Data breaches 135

Security Affairs

JULY 19, 2021

The oil giant employs has over $200 billion in annual revenue, and the threat actors are offering the stolen data at an initial price of $5 million. Bleeping Computer reached the company who confirmed a data breach on third-party contractors, but pointed out that the incident had no impact on Aramco’s operations.

Engineering 144

Engineering Data breaches Telecommunications Wireless 144

Security Affairs

FEBRUARY 15, 2025

CISA adds Microsoft Windows, Zyxel device flaws to its Known Exploited Vulnerabilities catalog Microsoft Patch Tuesday security updates for February 2025 ficed 2 actively exploited bugs Hacking Attackers exploit a new zero-day to hijack Fortinet firewalls Security OpenSSL patched high-severity flaw CVE-2024-12797 Progress Software fixed multiple high-severity (..)

Spyware 68

Spyware Firewall Artificial Intelligence Malware 68

Security Affairs

JUNE 9, 2024

New York Times source code compromised via exposed GitHub token SolarWinds fixed multiple flaws in Serv-U and SolarWinds Platform Pandabuy was extorted twice by the same threat actor UAC-0020 threat actor used the SPECTR Malware to target Ukraine’s defense forces Chinese threat actor exploits old ThinkPHP flaws since October 2023 A new Linux (..)

Data breaches 125

Data breaches Banking Hacking Malware 125

Security Affairs

OCTOBER 6, 2022

The Australian Federal Police (AFP) arrested a 19-year-old teen from Sydney for attempting to use data from the Optus data breach in SMS scams. Early this week, the company confirmed that the breach impacted nearly 2.1 million individuals. ” reads the announcement published by the AFP. .” said Gough.

Data breaches 98

Data breaches Scams Telecommunications Financial Services 98

SecureList

DECEMBER 12, 2023

Every year is abundant with major data leaks, biggest data breaches and hacks drawing massive media attention (such as Medibank and Optus data breach, Twitter data breach, and Uber and Rockstar compromise in 2022 and in T-Mobile , MailChimp and OpenAI in 2023). And what you should do with it?

Data breaches 129

Data breaches Accountability Telecommunications Malware 129

eSecurity Planet

SEPTEMBER 21, 2024

Each of these regulations addresses different aspects of cybersecurity and data protection, making it essential for businesses and organizations to stay informed and proactive. HIPAA also requires organizations to conduct regular risk assessments and report data breaches.

Cybersecurity 120

Cybersecurity Computers and Electronics Cyber threats Healthcare 120