Heimadal Security

AUGUST 6, 2021

The malicious campaigns were targeting networks belonging to major telecommunications companies from Southeast Asia. As reported by Cyware.com, the researchers from Cybereason Nocturnus released a report regarding the cyber attackers that are believed to be aligned with Chinese interests. What […].

Telecommunications 98

Telecommunications Cyber Attacks Cybersecurity 98

CyberSecurity Insiders

MARCH 4, 2021

Just when the media has speculated a possible Chinese cyber attack on the power grids operating in South India, an NGO foundation has alleged that the National Stock Exchange(NSE) of India was hit by a cyber attack on February 24th,2021 disrupting most of the operations for the whole day.

Cyber Attacks 127

Cyber Attacks Telecommunications Government Cyber threats 127

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. It has issued a press update saying its Australian company Dialog Pty faced a digital attack last week leaking details of only 20 clients.

Data breaches 131

Data breaches Cyber Attacks Telecommunications Hacking 131

SecureWorld News

APRIL 29, 2025

The blackout, which began around midday local time, halted public transportation, grounded flights, and disrupted critical services such as hospitals and telecommunications. While the exact cause remains under investigation, authorities have not ruled out the possibility of a cyberattack.

Cyber Attacks 82

Cyber Attacks Energy and Utilities Telecommunications Cybersecurity 82

Security Affairs

DECEMBER 12, 2023

Kyivstar, the largest Ukraine service provider, was hit by a cyber attack that paralyzed its services. The attack is linked to the ongoing conflict. Kyivstar , the largest Ukraine service provider was down after a major cyber attack. Of course, this is a challenge for us. ” reported Reuters.

Cyber Attacks 130

Cyber Attacks Mobile Internet Internet 130

Security Affairs

SEPTEMBER 21, 2019

In the last hours, some western media reported destructive cyber attacks against infrastructures in the Iranian oil sector, but Iran denied it. Last week drone attacks have hit two major oil facilities run by the state-owned company Aramco in Saudi Arabia, one of them is the Abqaiq site. Pierluigi Paganini.

Cyber Attacks 111

Cyber Attacks Media Telecommunications Government 111

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.

Data breaches 67

Data breaches Telecommunications Cybercrime Hacking 67

Security Affairs

MAY 12, 2020

Iranian officials did not reveal details of the cyber attack that took place last week. Local authorities, including the Ports and Maritime Organization (PMO) in the state of Hormozgan, confirmed that operations at the port were impacted by the cyber attack. ” Mohammad Rastad. Pierluigi Paganini.

Cyber Attacks 119

Cyber Attacks Advertising Telecommunications Media 119

CyberSecurity Insiders

APRIL 2, 2021

F5 Cloud Company that specializes in offering networking and application security has been targeted by a cyber attack that is under investigation. includes 48 of renowned firms such as Microsoft, Facebook, Oracle, Telecommunication providers, financial institutes and healthcare providers.

Cyber Attacks 103

Cyber Attacks Telecommunications Healthcare Education 103

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. after Ecuador withdrew asylum after seven years. Pierluigi Paganini.

Cyber Attacks 111

Cyber Attacks DDOS Telecommunications Government 111

The Hacker News

NOVEMBER 23, 2024

The adversary, believed to be active since at least January 2024, has also conducted cyber attacks against the Defense Industrial Base (DIB), aviation, telecommunications, and financial and legal services across the world, Microsoft said.

Telecommunications 140

Telecommunications Cyber Attacks Government 140

The Hacker News

NOVEMBER 19, 2024

A new China-linked cyber espionage group has been attributed as behind a series of targeted cyber attacks targeting telecommunications entities in South Asia and Africa since at least 2020 with the goal of enabling intelligence collection.

Telecommunications 123

Telecommunications Cyber Attacks Cybersecurity 123

Security Affairs

JANUARY 29, 2019

Israeli Prime Minister Benjamin Netanyahu accuses Iran of launching cyber-attacks on its country with a daily basis. Prime Minister Benjamin Netanyahu revealed that Iran launched cyber-attacks on Israel on a daily basis, but its experts are able to block them. Pierluigi Paganini. SecurityAffairs – Israel, Netanyahu).

Cyber Attacks 99

Cyber Attacks Telecommunications Advertising DNS 99

Security Affairs

AUGUST 27, 2022

The state Infrastructure of Montenegro was hit by a massive and “unprecedented” cyber attack, authorities announced. An unprecedented cyber attack hit the Government digital infrastructure in Montenegro, the government has timely adopted measures to mitigate its impact. Embassy in the capital Podgorica.

Cyber Attacks 98

Cyber Attacks Government Telecommunications Malware 98

Security Affairs

OCTOBER 15, 2018

The Security Service of Ukraine (SBU) uncovered a new targeted attack launched by BlackEnergy APT on the IT systems of Ukrainian government entities. The Security Service of Ukraine (SBU) uncovered a new targeted attack on the information and telecommunication systems of Ukrainian government entities. Pierluigi Paganini.

Cyber Attacks 111

Cyber Attacks Surveillance Telecommunications Advertising 111

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

The Hacker News

SEPTEMBER 21, 2023

A previously undocumented threat actor dubbed Sandman has been attributed to a set of cyber attacks targeting telecommunic koation providers in the Middle East, Western Europe, and the South Asian subcontinent.

Telecommunications 136

Telecommunications Cyber Attacks 136

Security Affairs

MARCH 27, 2025

Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). is a US-based telecommunications company that provides broadband internet, cable TV, and phone services. The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data.

Hacking 75

Hacking Telecommunications Data breaches Internet 75

Security Affairs

FEBRUARY 9, 2020

Iran comes under cyber-attack again, a massive offensive brought down a large portion of the Iranian access to the Internet. Iran infrastructures are under attack, a massive cyberattack brought down a large portion of the Iranian access to the Internet, according to the experts the national connectivity fell to 75%.

DDOS 145

DDOS Internet Internet Telecommunications 145

Security Affairs

DECEMBER 11, 2019

Iran telecommunications minister announced that the Islamic republic had recently thwarted a “highly organized cyber attack” targeting government infrastructure. “I cannot say for now which country has conducted the attack.” ” reported the FarsNews. Pierluigi Paganini.

Cyber Attacks 74

Cyber Attacks Telecommunications Government Advertising 74

Adam Levin

JANUARY 9, 2019

None are being paid — including those running the 24-hour watch at the NCCIC [National Cybersecurity and Communications Integration Center] — and only half of them are able to do their job,” said National Telecommunications and Information Administration director of cybersecurity Allan Friedman on Twitter.

Government 197

Government Cybersecurity Telecommunications Cyber Attacks 197

The Hacker News

FEBRUARY 14, 2025

Microsoft is calling attention to an emerging threat cluster it calls Storm-2372 that has been attributed to a new set of cyber attacks aimed at a variety of sectors since August 2024.

Telecommunications 105

Telecommunications Accountability Phishing Education 105

Security Affairs

APRIL 30, 2024

The law, known as the Product Security and Telecommunications Infrastructure act (or PSTI act), will be effective on April 29, 2024. “From 29 April 2024, manufacturers of consumer ‘smart’ devices must comply with new UK law.” ” reads the announcement published by NCSC. ” The U.K. ” The U.K.

Passwords 133

Passwords Manufacturing Telecommunications Cyber Attacks 133

Security Affairs

SEPTEMBER 26, 2020

Hungarian financial institutions and telecommunications infrastructure were hit by a powerful DDoS attack originating from servers in Russia, China and Vietnam. A powerful DDoS attack hit some Hungarian banking and telecommunication services that briefly disrupted them.

DDOS 145

DDOS Banking Telecommunications Advertising 145

Security Affairs

DECEMBER 30, 2020

T-Mobile discovered that the attackers had access to the CPNI (Customer Proprietary Network Information). Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer’s telephone calls. The telecommunication giant is in the process of notifying impacted customers.

Data breaches 144

Data breaches Mobile Telecommunications Accountability 144

Security Affairs

MARCH 5, 2020

The wireless carrier T-Mobile was victims of a sophisticated cyber attack that targeted its email vendor. A data breach notification published by the telecommunications giant on its website revealed that the security breach impacted both employees and customers. ” reads the data breach notification.

Mobile 145

Mobile Data breaches Telecommunications Wireless 145

Security Affairs

MAY 4, 2025

Mail, Broadcom Brocade Fabric OS, and Commvault Web Server flaws to its Known Exploited Vulnerabilities catalog The Turmoil Following BreachForums Shutdown: Confusion, Risks, and a New Beginning Earth Kurma APT is actively targeting government and telecommunications orgs in Southeast Asia A large-scale phishing campaign targets WordPress WooCommerce (..)

Cyber Attacks 70

Cyber Attacks Cybercrime Malware Phishing 70

The Hacker News

APRIL 16, 2025

Cybersecurity researchers have unearthed a new controller component associated with a known backdoor called BPFDoor as part of cyber attacks targeting telecommunications, finance, and retail sectors in South Korea, Hong Kong, Myanmar, Malaysia, and Egypt in 2024.

Telecommunications 93

Telecommunications Retail Cyber Attacks Cybersecurity 93

Security Affairs

OCTOBER 4, 2023

International mobile virtual network operator Lyca Mobile announced it has been the victim of a cyber attack that disrupted its network. The company issued a statement to announce it has been the victim of a cyber attack that disrupted its network. ” reads the statement published by the company.

Mobile 134

Mobile Cyber Attacks Retail Marketing 134

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 131

Mobile Data breaches Telecommunications Accountability 131

CyberSecurity Insiders

NOVEMBER 25, 2021

Predictably, there has been an equal amount of increase in cyber attacks on connected devices, with over 12,000 cyber attacks targeting them every week. A new legislation was introduced in the Britain’s parliament last week aiming to better protect IoT devices from sophisticated hackers.

IoT 139

IoT Manufacturing Telecommunications Cyber Attacks 139

The Hacker News

MARCH 23, 2023

Telecommunication providers in the Middle East are the subject of new cyber attacks that commenced in the first quarter of 2023. The intrusion set has been attributed to a Chinese cyber espionage actor associated with a long-running campaign dubbed Operation Soft Cell based on tooling overlaps.

Telecommunications 96

Telecommunications Cyber Attacks Internet Internet 96

Heimadal Security

MARCH 24, 2023

New cyber attacks against Middle Eastern telecommunications operators emerged in the first quarter of 2023. Based on technical overlaps, the intrusion set was identified as being the work of a Chinese cyber espionage actor associated with a long-running campaign dubbed Operation Soft Cell.

Telecommunications 98

Telecommunications Cyber Attacks Internet Internet 98

The Last Watchdog

APRIL 13, 2022

Each of these organizations performs cyber operations for various reasons. The Russian government, military, and intelligence service may wish to achieve some operational effect, for example, disrupting the power grid or interfering with telecommunications infrastructure, which may be part of a larger war plan. Cyber attack targets.

Cybersecurity 214

Cybersecurity Cybercrime Education Government 214

Security Affairs

FEBRUARY 21, 2020

The Defense Information Systems Agency (DISA), the DoD agency that is in charge of the security of IT and telecommunications for the White House and military troops has suffered a cyber attack.

Data breaches 144

Data breaches Telecommunications Advertising Hacking 144

Bleeping Computer

DECEMBER 28, 2022

​​​​​​​The Royal Ransomware gang claimed responsibility for a cyber attack against telecommunications company Intrado on Tuesday. [.].

Ransomware 79

Ransomware Telecommunications Cyber Attacks 79

Security Affairs

JULY 10, 2021

The cyber attack led to “unprecedented chaos” at rail stations in the country. The Fars agency attempted to downplay the effects of the attack and pointed out that it did not cause disruption. ” reported ABC News.

Cyber Attacks 130

Cyber Attacks Telecommunications Hacking Government 130