Krebs on Security

JANUARY 29, 2020

leaked internal customer support data to the Internet, mobile provider Sprint has addressed a mix-up in which posts to a private customer support community were exposed to the Web. telecommunications companies to gain access to internal company tools. Fresh on the heels of a disclosure that Microsoft Corp.

Social Engineering 307

Social Engineering Telecommunications Data privacy Engineering 307

Krebs on Security

MARCH 20, 2023

Image: Shutterstock Telecommunications giant AT&T disclosed this month that a breach at a marketing vendor exposed certain account information for nine million customers. AT&T’s disclosure said the information exposed included customer first name, wireless account number, wireless phone number and email address.

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Mobile Wireless Advertising Accountability 313

Krebs on Security

OCTOBER 12, 2020

A court in Virginia granted Microsoft control over many Internet servers Trickbot uses to plunder infected systems, based on novel claims that the crime machine abused the software giant’s trademarks. Microsoft Corp. However, it appears the operation has not completely disabled the botnet. Image: Microsoft.

Healthcare 361

Healthcare Ransomware Internet Internet 361

Heimadal Security

JANUARY 10, 2024

Sea Turtle Turkish state-backed group changed to focus on internet service providers (ISPs), telcos, media, and Kurdish websites. Sea Turtle exploits known vulnerabilities and compromised accounts to gain initial access.

Telecommunications 94

Telecommunications DNS Media Internet 94

Security Affairs

SEPTEMBER 5, 2021

A massive DDoS hit New Zealand ‘s third-largest internet operator isolating parts of the country from the Internet. A massive DDoS hit Vocus ISP, New Zealand ‘s third-largest internet operator, isolating parts of the country from the Internet. Please contact your account manager if you are unable to connect.”

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DDOS Internet Internet Telecommunications 132

Security Boulevard

JANUARY 15, 2024

Isn’t it fascinating that the most expensive consequence of a cyber attack is information loss, which accounts for 43 percent of the overall costs incurred? The region which includes […] The post Cyber Attack on Telecommunications Company appeared first on Kratikal Blogs.

Telecommunications 72

Telecommunications Cyber Attacks Internet Internet 72

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. million accounts. a leading Internet Service Provider with over 1.5 stealing customer data.

Hacking 77

Hacking Telecommunications Data breaches Internet 77

Krebs on Security

AUGUST 12, 2020

Several stories here have highlighted the importance of creating accounts online tied to your various identity, financial and communications services before identity thieves do it for you. ” In short, although you may not be required to create online accounts to manage your affairs at your ISP, the U.S. .”

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Accountability Mobile Banking Passwords 355

Krebs on Security

MARCH 5, 2021

On March 2, Microsoft released emergency security updates to plug four security holes in Exchange Server versions 2013 through 2019 that hackers were actively using to siphon email communications from Internet-facing systems running Exchange. The web shell gives the attackers administrative access to the victim’s computer servers.

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Hacking Software Government Internet 364

Security Affairs

AUGUST 10, 2020

In March 2020, The Ministry of Telecommunications (MoTC) issued a directive to all operators in Myanmar with a secret list of 230 sites to be blocked due to the nature of the content; adult content and fake news. The mail account hostmaster@urlblocked.pw, published as contact details in DNS, bounces all incoming mails.

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Internet Internet Telecommunications DNS 111

SecureWorld News

FEBRUARY 19, 2025

telecommunications providers , including AT&T, Verizon, and Lumen Technologies. internet service provider, a U.K.-affiliated Limit exposure : Disable unnecessary web UI access and restrict administrative interfaces from internet exposure. The impacted companies include a U.S. Despite significant media coverage and U.S.

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Telecommunications Internet Internet Technology 67

Krebs on Security

AUGUST 11, 2022

The telecommunications giant stopped short of saying the data wasn’t theirs, but it maintains the records do not appear to have come from its systems and may be tied to a previous data incident at another company. For starters, email addresses ending in “ att.net ” accounted for 13.7

Mobile 53

Mobile Internet Internet Accountability 53

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.

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CISO Encryption Telecommunications Financial Services 311

Krebs on Security

JUNE 28, 2018

Many people, particularly older folks, proudly declare they avoid using the Web to manage various accounts tied to their personal and financial data — including everything from utilities and mobile phones to retirement benefits and online banking services. Postal Service or the Social Security Administration.

Banking 214

Banking Accountability Mobile Media 214

Krebs on Security

FEBRUARY 18, 2019

This post seeks to document the extent of those attacks, and traces the origins of this overwhelmingly successful cyber espionage campaign back to a cascading series of breaches at key Internet infrastructure providers. federal civilian agencies to secure the login credentials for their Internet domain records. That changed on Jan.

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DNS Internet Internet Government 279

Security Affairs

MARCH 23, 2022

Microsoft has now confirmed that the attackers have compromised the account of one of its employees gaining limited access to source code repositories. Our investigation has found a single account had been compromised, granting limited access. No customer code or data was involved in the observed activities. Pierluigi Paganini.

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Accountability VPN Social Engineering Hacking 104

Krebs on Security

AUGUST 19, 2020

According to interviews with several sources, this hybrid phishing gang has a remarkably high success rate, and operates primarily through paid requests or “bounties,” where customers seeking access to specific companies or accounts can hire them to target employees working remotely at home.

Phishing 363

Phishing VPN Social Engineering Media 363

Malwarebytes

FEBRUARY 17, 2023

The Supreme Court is about to reconsider Section 230, a law that’s been the foundation of the way we have used the Internet for decades. The court will be handling a few cases that at first glance are about online platforms' liability for hosting accounts from foreign terrorists. Whether we like it or not. Google and Twitter v.

Internet 98

Internet Internet Media Telecommunications 98

Security Affairs

JANUARY 7, 2024

The group targets government entities, Kurdish (political) groups like PKK, telecommunication, ISPs, IT-service providers (including security companies), NGO, and Media & Entertainment sectors; Over the years, the group enhanced its evasion capabilities. Enable 2FA on all externally exposed accounts.

Media 139

Media Accountability Telecommunications Government 139

Security Affairs

MARCH 30, 2024

AT&T initially denied any data breach, below is the statement from the telecomunication giant : “Based on our investigation Thursday, the information that appeared in an internet chat room does not appear to have come from our systems,” On Saturday, the telecommunications company retracted its initial denial and confirmed the data breach.

Data breaches 144

Data breaches Telecommunications Cybercrime Hacking 144

Malwarebytes

APRIL 14, 2022

The Zloader at hand is a botnet made up of computing devices in businesses, hospitals, schools, and homes around the world which is run by a global internet-based organized crime gang operating malware as a service that is designed to steal and extort money. Legal action. We also saw this method recently used against the Strontium group.

Backups 135

Backups Banking Internet Internet 135

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

APRIL 10, 2024

AT&T initially denied any data breach, below is the statement from the telecomunication giant : “Based on our investigation Thursday, the information that appeared in an internet chat room does not appear to have come from our systems,” Later, the telecommunications company retracted its initial denial and confirmed the data breach.

Data breaches 126

Data breaches Telecommunications Identity Theft Hacking 126

Security Affairs

JUNE 8, 2022

China-linked threat actors have breached telecommunications companies and network service providers to spy on the traffic and steal data. US NSA, CISA, and the FBI published a joint cybersecurity advisory to warn that China-linked threat actors have breached telecommunications companies and network service providers.

Telecommunications 100

Telecommunications Authentication Passwords Accountability 100

Security Affairs

JANUARY 5, 2024

The Ukrainian telecommunications company provides communication services and data transmission based on a broad range of fixed and mobile technologies, including 4G (LTE) in Ukraine. The Kyivstar mobile network serves about 26 million mobile customers and more than 1 million broadband fixed internet customers in the country.

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Mobile Telecommunications Cyber Attacks Internet 127

Troy Hunt

MARCH 27, 2018

I'm like yo my credit cards and financial information your entering into this internet system isn't even fully encrypted. Here's the bigger issue that concerns me in both the Telstra and Optus cases: the security of our telecommunication accounts is increasingly paramount these days.

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Passwords Banking Mobile Telecommunications 193

Security Affairs

JANUARY 10, 2019

Security experts at FireEye uncovered a DNS hijacking campaign that is targeting government agencies, ISPs and other telecommunications providers, Internet infrastructure entities, and sensitive commercial organizations in the Middle East, North Africa, North America and Europe. ” reads the report published by FireEye.

DNS 109

DNS Telecommunications Government Encryption 109

SecureWorld News

MARCH 10, 2022

Many threats that have until now been theoretical—like creation of a "Ru-net" as an alternative to the Internet—are becoming a reality. Cutting off Internet access to a country the size of Texas is not as simple as cutting a few cables or bombing a few cell towers. There are many tech angles to the war in Ukraine.

Technology 98

Technology Internet Internet Telecommunications 98

Digital Shadows

MARCH 17, 2025

The ransomware targets unpatched internet-facing servers, impacting systems across 70+ countries in sectors like critical infrastructure, health care, governments, education, technology, manufacturing, and small- to medium-sized businesses. This threat hunt identifies accounts at risk of this attack vector.

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VPN Authentication Ransomware Risk 133

Security Affairs

JANUARY 30, 2024

As an example of compromised accounts, Resecurity outlined exposed access credentials belonging to a major data center and one of the largest vendors providing international-scale network telephony connectivity to governmental and national telecom providers in Africa.

Engineering 141

Engineering Passwords Telecommunications Accountability 141

Malwarebytes

NOVEMBER 6, 2023

The intruder used this to access some of the employee’s accounts, including LinkedIn, as well as their work account. In 2022, Octo Tempest began selling SIM swaps to other criminals and performing account takeovers of high-net-worth individuals in order to steal their cryptocurrency. We also notified federal law enforcement.

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Ransomware Backups Accountability Social Engineering 129

CyberSecurity Insiders

APRIL 12, 2023

The report stems from a detailed analysis of attacks targeting StormWall’s clientele, which spans various sectors such as finance, e-commerce, telecommunications, entertainment, transportation, education, and logistics. The financial sector emerged as the primary target, accounting for 34% of attacks and witnessing a 68% YoY increase.

DDOS 129

DDOS Telecommunications Data breaches DNS 129

Security Boulevard

APRIL 16, 2021

An analysis of the malicious file and other submissions by the same VirusTotal user suggest the account that initially flagged the backdoor as suspicious belongs to IT personnel at the National Telecommunications and Information Administration (NTIA), a division of the U.S. The post Did Someone at the Commerce Dept.

Telecommunications 59

Telecommunications Antivirus Internet Internet 59

Security Affairs

FEBRUARY 10, 2022

In 2018, the FBI Internet Crime Complaint Center (IC3) received complaints for 1,611 SIM swapping attacks, while the number of complaints in the period between 2018 e 2002 was 320 causing a total of losses of $12 million. Use a variation of unique passwords to access online accounts. Be aware of any changes in SMS-based connectivity.

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Mobile Cryptocurrency Accountability Passwords 104

Malwarebytes

OCTOBER 5, 2021

“A global privacy disaster”, “espionage gold”, and “a state-sponsored wet dream” are just some of the comments one can read regarding the breach at Syniverse, a key player in the tech/telecommunications industry that calls itself the “center of the connected world.”

Telecommunications 98

Telecommunications Mobile Accountability Authentication 98

Security Affairs

JULY 1, 2020

Federal Communications Commission (FCC) announced that Chinese telecommunications giants Huawei and ZTE are considered as national security threats. The Bureau also took into account the findings and actions of Congress, the Executive Branch, the intelligence community, our allies, and communications service providers in other countries.

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Government Telecommunications Internet Internet 107

Malwarebytes

OCTOBER 27, 2023

In a security blog about Octo Tempest Microsoft states: “Octo Tempest monetized their intrusions in 2022 by selling SIM swaps to other criminals and performing account takeovers of high-net-worth individuals to steal their cryptocurrency.” How to avoid ransomware Block common forms of entry. Prevent intrusions.

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Social Engineering Engineering Ransomware Backups 122