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

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

CyberSecurity Insiders

SEPTEMBER 22, 2022

Optus aka Singtel Optus PVT Limited has apparently suffered a cyber attack resulting in the leak of personal information of customers that includes names, date of births, phone details, and email addresses. The post Optus Australia suffers serious data breach after Cyber Attack appeared first on Cybersecurity Insiders.

Cyber Attacks 89

Cyber Attacks Data breaches Telecommunications Passwords 89

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. Arkana claimed to have breached WOW!s WideOpenWest (WOW!)

Hacking 73

Hacking Telecommunications Data breaches Internet 73

Security Affairs

JUNE 9, 2024

Frontier Communications is notifying over 750,000 individuals that their personal information was stolen in a recent cyber attack. Last week, the RansomHub ransomware group claimed to have stolen the information of over 2 million customers from the American telecommunications company Frontier Communications.

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

APRIL 16, 2019

Ecuador suffered 40 million cyber attacks on websites of public institutions since the arrest of Wikileaks founder Julian Assange. In response to the arrest acktivist communities launched several attacks against the Ecuador government. At the time of publishing there is no news of data breach. Pierluigi Paganini.

Cyber Attacks 111

Cyber Attacks DDOS Telecommunications Government 111

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

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

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 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 Boulevard

JUNE 26, 2023

Unfortunately, the increasing reliance on digital systems and capabilities has also attracted an ever-growing number of malicious actors seeking to defraud businesses through phishing , social engineering , or ransomware attacks. The end result of these types of cyber attacks are often highly public and damaging data breaches.

Data breaches 52

Data breaches Healthcare Telecommunications Financial Services 52

Security Affairs

MARCH 6, 2023

Hospital Clinic de Barcelona, one of the main hospitals in the Spanish city, suffered a cyber attack that crippled its computer system. On Sunday, a ransomware attack hit the Hospital Clinic de Barcelona, one of the main hospitals of the Catalan city. ” states the Associated Press.

Ransomware 98

Ransomware Telecommunications Cyber Attacks Data breaches 98

Security Affairs

MARCH 12, 2022

Video game company Ubisoft has suffered a ‘cyber security incident’ that had a severe impact on games, systems, and services. The rumors of a cyber attack against Ubisoft circulated online in the last few days, while data extortion group LAPSUS$ claimed to have hacked the company.

Data breaches 98

Data breaches Telecommunications Hacking Ransomware 98

CyberSecurity Insiders

APRIL 12, 2023

StormWall , a premier cybersecurity firm specializing in the defense of websites, networks, and online services from Distributed Denial of Service (DDoS) attacks, has published an in-depth report on the DDoS landscape during the first quarter of 2023.

DDOS 129

DDOS Telecommunications Data breaches DNS 129

Security Affairs

OCTOBER 8, 2023

Belgian intelligence service VSSE accused Alibaba of ‘possible espionage’ at European hub in Liege A WhatsApp zero-day exploit can cost several million dollars CISA adds JetBrains TeamCity and Windows flaws to its Known Exploited Vulnerabilities catalog NATO is investigating a new cyber attack claimed by the SiegedSec group Global CRM Provider Exposed (..)

Data breaches 127

Data breaches Ransomware Hacking Cybercrime 127

Security Affairs

DECEMBER 1, 2024

Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

Cybercrime 70

Cybercrime Firewall Social Engineering Ransomware 70

Security Affairs

MARCH 26, 2023

NCA infiltrates the cybercriminal underground with fake DDoS-for-hire sites Pwn2Own Vancouver 2023 awarded $1,035,000 and a Tesla for 27 0-days CISA announced the Pre-Ransomware Notifications initiative China-linked hackers target telecommunication providers in the Middle East City of Toronto is one of the victims hacked by Clop gang using GoAnywhere (..)

Data breaches 98

Data breaches DDOS Ransomware Backups 98

Security Affairs

MARCH 6, 2019

Security experts at Symantec linked the massive Singapore Healthcare breach suffered by SingHealth to the ‘Whitefly’ cyberespionage group. In 2018, the largest healthcare group in Singapore, SingHealth, has suffered a massive data breach that exposed personal information of 1.5

Healthcare 104

Healthcare Data breaches Hacking Advertising 104

Hacker Combat

JULY 8, 2022

In a leak that, if verified, could be one of the biggest data breaches in history, hackers might have obtained a wealth of information belonging to over I billion Chinese from a database owned by Shangai police. In 2020, a major cyber attack that is thought to have been done by Russian hackers hit a number of U.S.

Hacking 105

Hacking Mobile Telecommunications Government 105

Thales Cloud Protection & Licensing

JANUARY 14, 2020

The importance of data and the power of being an insights-driven enterprise are increasing the amount of damage that data breaches can cause. At the same time, consumers are deeply concerned with how their data is collected and used. Believe it or not, the fifth generation of wireless technology is already here.

Data privacy 89

Data privacy IoT Data breaches Surveillance 89

eSecurity Planet

JANUARY 28, 2021

As attack methodologies evolve due to AI, machine learning and nation-state hackers , security startups are receiving a lot of funding to develop products that can secure application access for remote workers , provide real-time visibility into cyber attacks and protect data as it travels from the cloud to IoT devices.

Cybersecurity 115

Cybersecurity Artificial Intelligence Threat Detection Marketing 115

Digital Shadows

OCTOBER 23, 2024

Scattered Spider previously targeted telecommunications firms, likely to support its SIM-swapping activities that facilitate account takeovers. Telecom Infrastructure Abuse: The threat actor used Verizon IPv6 addresses to access the network, leveraging telecommunications infrastructure with a clean reputation to bypass security controls.

Social Engineering 122

Social Engineering Engineering Accountability Backups 122

Pen Test

OCTOBER 12, 2023

This specialized form of testing has emerged as a crucial tool for evaluating the security of wireless networks and assessing their resilience against potential cyber-attacks (Davis & Brown, 2020). It has significantly impacted various industries, from telecommunications and healthcare to transportation and entertainment.

Penetration Testing 52

Penetration Testing Wireless IoT Technology 52

Digital Shadows

NOVEMBER 1, 2022

This has the double pronged effect of crippling an organization, whilst also resulting in the significant impact that accompanies a data breach. Despite this, the risk does remain significant, and the affected company is prone to reputational, financial, and regulatory risk that follows a data breach.

Cyber threats 52

Cyber threats Ransomware Media Data breaches 52

Security Affairs

MARCH 16, 2025

The Danish Social Security Agency published a new threat assessment for the cyber threat to the telecommunications sector that highlights the risks for the telecom companies in Europe. This is because the extent of cyber espionage against the telecommunications sector in Europe has likely increased.”

Telecommunications 83

Telecommunications Cyber threats Hacking Mobile 83

Digital Shadows

OCTOBER 23, 2024

Scattered Spider previously targeted telecommunications firms, likely to support its SIM-swapping activities that facilitate account takeovers. Telecom Infrastructure Abuse: The threat actor used Verizon IPv6 addresses to access the network, leveraging telecommunications infrastructure with a clean reputation to bypass security controls.

Social Engineering 52

Social Engineering Engineering Accountability Backups 52

Security Affairs

SEPTEMBER 24, 2023

Government of Bermuda blames Russian threat actors for the cyber attack City of Dallas has set a budget of $8.5 Government of Bermuda blames Russian threat actors for the cyber attack City of Dallas has set a budget of $8.5 Every week the best security articles from Security Affairs are free for you in your email box.

Cyber Attacks 121

Cyber Attacks Firewall Data breaches Telecommunications 121

Security Affairs

NOVEMBER 3, 2019

neutralized over 600 cyber attacks this year. UniCredit bank discloses a data breach that impacted 3 million of Italian clients. Up to 2,000 Georgia websites have been hit by cyber attacks. Users online claim Kudankulam nuclear power plant was hit by a cyber attack. NCSC Report: U.K.

Data breaches 68

Data breaches Cyber Attacks Telecommunications Advertising 68

Thales Cloud Protection & Licensing

OCTOBER 23, 2023

The 2023 Thales Data Threat Report Critical Infrastructure Edition , which includes responses from 365 security leaders and practitioners within critical infrastructure organizations, serves as a fine reminder of the requirement to embed security into the culture of every organization and individual.

Energy and Utilities 77

Energy and Utilities Cybersecurity Ransomware Technology 77

Security Affairs

OCTOBER 27, 2024

Chinese cyber spies targeted phones used by Trump and Vance Irish Data Protection Commission fined LinkedIn €310M for GDPR infringement Change Healthcare data breach impacted over 100 million people OnePoint Patient Care data breach impacted 795916 individuals From Risk Assessment to Action: Improving Your DLP Response U.S.

Data breaches 120

Data breaches Healthcare Cybercrime Social Engineering 120

Jane Frankland

DECEMBER 7, 2023

Cybersecurity can often feel like a game of cat and mouse where cyber attackers and defenders engage in a chase, with one party trying to outsmart the other. Just like in previous years, 2024 is set to test practitioners’ skills as the frequency of cyber threats continues to surge leaving no room for complacency.

Cybersecurity 130

Cybersecurity Cyber threats Insurance Artificial Intelligence 130

Security Affairs

OCTOBER 22, 2023

North Korea-linked APT groups actively exploit JetBrains TeamCity flaw Multiple APT groups exploited WinRAR flaw CVE-2023-38831 Californian IT company DNA Micro leaks private mobile phone data Threat actors have been exploiting CVE-2023-4966 in Citrix NetScaler ADC/Gateway devices since August A flaw in Synology DiskStation Manager allows admin account (..)

Ransomware 123

Ransomware Telecommunications Data breaches Mobile 123