Syniverse Hack
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.
Data breaches Hacking Telecommunications 
France’s second-largest telecoms provider Free suffered a cyber attack
Security Affairs
OCTOBER 28, 2024
is a French telecommunications company, subsidiary of Iliad S.A. 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. There has been a rise in the use of AI-generated data leaks, a trend I mentioned weeks ago.”
Cyber Attacks 
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European Telecommunications Standards Institute (ETSI) suffered a data breach
Security Affairs
OCTOBER 2, 2023
The European Telecommunications Standards Institute (ETSI) disclosed a data breach, threat actors had access to a database of its users. Threat actors stole a database containing the list of users of the portal of the European Telecommunications Standards Institute ( ETSI ).
TalkTalk confirms data breach involving a third-party platform
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.
T-Mobile is one of the victims of the massive Chinese breach of telecom firms
Security Affairs
NOVEMBER 18, 2024
T-Mobile confirmed being a victim of recent hacking campaigns linked to China-based threat actors targeting telecom companies. T-Mobile confirms it was hacked as part of a long-running cyber espionage campaign targeting Telco companies. The Chinese APT focuses on government entities and telecommunications companies in Southeast Asia.
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RansomHub gang claims the hack of the telecommunications giant Frontier Communications
Security Affairs
JUNE 4, 2024
The RansomHub ransomware group added the American telecommunications company Frontier Comunications to the list of victims on its Tor leak site. The RansomHub ransomware group claimed to have stolen the information of over 2 million customers from the American telecommunications company Frontier Communications.
SFO discloses data breach following the hack of 2 of its websites
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.
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Black Basta ransomware gang hit BT Group
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.
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AT&T confirmed that a data breach impacted 73 million customers
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.
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FBCS data breach impacted 238,000 Comcast customers
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.
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T-Mobile data breach: CPNI (Customer Proprietary Network Information) exposed
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.
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AT&T states that the data breach impacted 51 million former and current customers
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.
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230K individuals impacted by a data breach suffered by Telco provider Tangerine
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.
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T-Mobile confirms data breach that exposed customer personal info
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).
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SingTel confirms another data breach after Optus Cyber Attack
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. Now, the latest victim seems to be a subsidiary of Singtel named ‘Dialog’ and sensitive details were also accessed in the hack.
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Mitsubishi Electric discloses data breach, media blame China-linked APT
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).
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T-Mobile discloses data breach affecting prepaid wireless customers
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.
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Aerial Direct, the O2’s largest UK partner suffered a data breach
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.
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AT&T is notifying millions of customers of data breach after a third-party vendor hack
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.
Frontier Communications data breach impacted over 750,000 individuals
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.
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T-Mobile data breach has impacted 48.6 million customers
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.
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Telstra Telecom discloses data breach impacting former and current employees
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.
Millions of travelers of several airlines impacted by SITA data breach
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.
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T-Mobile suffered the second data breach in 2023
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.
Hackers gained access to T-Mobile customers and employee personal info
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.
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DOD DISA US agency discloses a security breach
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.
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T-Mobile customers were hit with SIM swapping attacks
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.
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Hackers Were Inside Citrix for Five Months
Krebs on Security
FEBRUARY 19, 2020
Resecurity also presented evidence that it notified Citrix of the breach as early as Dec. Iranian hackers recently have been blamed for hacking VPN servers around the world in a bid to plant backdoors in large corporate networks. 28, 2018, a claim Citrix initially denied but later acknowledged.
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T-Mobile suffered a new data breach, 37 million accounts have been compromised
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.
Hackers accessed Mint Mobile subscribers’ data and ported some numbers
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.
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Massive Text Data Breach Could Have Circumvented 2FA
SecureWorld News
OCTOBER 7, 2021
A recent hack discovered by one of the world's largest telecommunications companies has the potential to impact millions of cell phone users worldwide. The company also says it discovered the breach in May 2021, but the hack began five years earlier in 2016. 2FA concerns from Syniverse hack.
RaidForums Gets Raided, Alleged Admin Arrested
Krebs on Security
APRIL 12, 2022
Department of Justice (DOJ) said today it seized the website and user database for RaidForums , an extremely popular English-language cybercrime forum that sold access to more than 10 billion consumer records stolen in some of the world’s largest data breaches since 2015. Not all of those undercover buys went as planned.
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Hacker Charged With Extorting Online Psychotherapy Service
Krebs on Security
NOVEMBER 3, 2022
In 2013, Kurittu worked on investigation involving Kivimaki’s use of the Zbot botnet, among other activities Kivimaki engaged in as a member of the hacker group Hack the Planet. “According to Vastaamo, the data breach in Vastaamo’s customer databases took place in November 2018,” Iltalehti reported last month.
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US Government: Russia “Likely” Behind SolarWinds Breach
Adam Levin
JANUARY 6, 2021
cybersecurity, intelligence, and law enforcement agencies, announced earlier this week that Russia was “likely” responsible for the 2020 SolarWinds data breach. The Department of Justice has since announced that their email systems had also been breached. The Cyber Unified Coordination Group (UCG), a task force composed of U.S.
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Massive AT&T Hack Exposed ‘Nearly All’ Customer Phone Numbers
Tech Republic Security
JULY 12, 2024
Businesses and individuals with AT&T accounts from May 1, 2022 to October 31, 2022 and on January 2, 2023 will be notified if their data was affected.
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Threat actor claims to be selling data of more than 100 million T-Mobile customers
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. SecurityAffairs – hacking, data breach). We do not have any additional information to share at this time.” Pierluigi Paganini.
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Australia Thinking About Tougher Cybersecurity Laws
Heimadal Security
SEPTEMBER 28, 2022
The Australian government says that it’s considering adopting tougher cybersecurity laws for companies in the telecommunication sector following the recent Optus data breach, where the data of 9.8 that the hack was “an unprecedented theft of consumer information in Australian […].
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Security Affairs newsletter Round 511 by Pierluigi Paganini – INTERNATIONAL EDITION
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 (..)
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Hacked GPS tracker reveals location data of customers
Malwarebytes
AUGUST 19, 2024
Tracki devices are sold by some major telecommunication companies, sometimes under the Tracki brand or sometimes under their own label. The investigation into Tracki, besides uncovering a tangled web of companies, dubious websites, and false identities, also led to a data breach that maia says could possibly affect almost 12 million users.
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Threat actor claims to have stolen 1 TB of data belonging to Saudi Aramco
Security Affairs
JULY 19, 2021
Threat actors that goes online with the moniker ZeroX claim to have stolen 1 TB of sensitive data from the Saudi Arabian petroleum and natural gas giant end it is offering for sale it on multiple hacking forums. SecurityAffairs – hacking, Saudi Aramco). Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.
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Data belonging 44 Million Pakistani mobile users leaked online
Security Affairs
MAY 6, 2020
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. – Database apparently got hacked in 2017. – Database apparently got hacked in 2017. pic.twitter.com/xjpg6EvpDE — Under the Breach (@underthebreach) May 5, 2020.
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Lapsus$ gang claims to have hacked Microsoft source code repositories
Security Affairs
MARCH 21, 2022
Microsoft is investigating claims that the Lapsus$ hacking group breached its internal Azure DevOps source code repositories. Microsoft announced that is investigating claims that the Lapsus$ cybercrime gang breached their internal Azure DevOps source code repositories and stolen data. Pierluigi Paganini.
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Salt Typhoon Expands Espionage Campaign, Targets Cisco Routers
SecureWorld News
FEBRUARY 19, 2025
Chinese cyber espionage group Salt Typhoon has made headlines in the last year, breaching major U.S. telecommunications providers , including AT&T, Verizon, and Lumen Technologies. sanctions on China-based hacking entities, Salt Typhoon's activities remain a serious concern. Despite significant media coverage and U.S.
Dixons Carphone Data Breach discovered in June affected 10 Million customers
Security Affairs
JULY 31, 2018
Dixons Carphone announced on Monday that the security breach discovered in June affected around 10 million customers, much more than the initial estimate. The situation was worse than initially thought, the company announced on Monday that the security breach affected around 10 million customers, much more than the initial estimate.
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