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!, is a US-based telecommunications company that provides broadband internet, cable TV, and phone services.

Hacking 77

Hacking Telecommunications Data breaches Internet 77

Krebs on Security

OCTOBER 12, 2020

has executed a coordinated legal sneak attack in a bid to disrupt the malware-as-a-service botnet Trickbot , a global menace that has infected millions of computers and is used to spread ransomware. Microsoft Corp. ” Microsoft’s action comes just days after the U.S.

Healthcare 362

Healthcare Ransomware Internet Internet 362

Heimadal Security

SEPTEMBER 16, 2022

Ransomware-as-a-Service (RaaS) group Hive claimed to be behind a cyberattack that hit Bell Technical Solutions (BTS), an independent subsidiary of Bell Canada with 4.500 employees, that specializes in Bell services across Ontario and Québec. The post Hive Ransomware Group Hits Bell Canada Subsidiary appeared first on Heimdal Security Blog.

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Ransomware Telecommunications Cybersecurity 121

SecureList

DECEMBER 22, 2022

Around the same time, we identified ransomware and wiper malware samples resembling those used in the first wave, though with a few interesting modifications that likely allowed evasion of security controls and better attack speeds. Wiper and ransomware, comparing wave 1 and wave 2. So, what’s new in this blogpost?

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Ransomware Telecommunications Malware Encryption 132

Heimadal Security

DECEMBER 29, 2022

On Tuesday, a cyberattack targeting telecommunication company Intrado was claimed by Royal Ransomware group. The post Telecom Company Intrado Hit by Royal Ransomware Cyberattack appeared first on Heimdal Security Blog. The attack started on December 1st.

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Ransomware Telecommunications Cybersecurity 118

Security Affairs

NOVEMBER 28, 2019

A piece of the Ryuk Ransomware infected the network of the multinational cybersecurity firm Prosegur, forcing the company to shut down it. The Spanish multinational security company Prosegur announced that it was of a ransomware attack that disrupted its telecommunication platform. SecurityAffairs – hacking, ransomware).

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Ransomware Cybersecurity Telecommunications Advertising 144

Security Affairs

JULY 17, 2020

Security researchers at Cyble reported that Nefilim ransomware operators allegedly targeted the mobile network operator Orange. Researchers from Cyble came across a post of Nefilim ransomware operators which were claiming to have stolen sensitive data of Orange S.A., SecurityAffairs – hacking, Nefilim ransomware). Orange S.A.

Business Services 144

Business Services Ransomware Mobile Telecommunications 144

Security Affairs

JUNE 29, 2020

Tens of organizations in the United States have been targeted with the recently discovered WastedLocker ransomware. Security experts from Symantec reported that at least 31 organizations in the United States have been targeted with the recently discovered WastedLocker ransomware. SecurityAffairs – hacking, WastedLocker ransomware).

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Ransomware Telecommunications Manufacturing Advertising 123

Security Affairs

OCTOBER 18, 2020

The financially-motivated hacker group FIN11 has started spreading ransomware to monetize its cyber criminal activities. The financially-motivated hacker group FIN11 has switched tactics starting using ransomware as the main monetization method. ” reads the analysis published by FireEye.

Ransomware 140

Ransomware Malware Telecommunications Advertising 140

Heimadal Security

APRIL 19, 2023

Following a ransomware attack back in March, sensitive employee data was compromised at CommScope, a major US telecommunications and IT infrastructure company. The Vice Society ransom gang claims to have published CommScope employee data on its dark web leak site.

Ransomware 105

Ransomware Telecommunications Technology Cybersecurity 105

Malwarebytes

SEPTEMBER 25, 2023

Newcomer ransomware group RansomedVC claims to have successfully compromised the computer systems of entertainment giant Sony. As ransomware gangs do, it made the announcement on its dark web website, where it sells data that it's stolen from victims' computer networks. How to avoid ransomware Block common forms of entry.

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Ransomware Computers and Electronics Backups Telecommunications 145

Security Affairs

NOVEMBER 28, 2022

Several Ukrainian organizations were hit by Russia-based RansomBoggs Ransomware in the last week, ESET reports. Researchers from ESET observed multiple attacks involving a new family of ransomware, tracked as RansomBoggs ransomware, against Ukrainian organizations. MSIL/Filecoder.RansomBoggs.A

Ransomware 138

Ransomware Encryption Telecommunications Malware 138

Security Affairs

JUNE 25, 2020

Maze ransomware operators claims to have breached the South Korean multinational electronics company LG Electronics. Researchers at Cyble discovered a data leak of LG Electronics published by Maze ransomware operators. Just after the WorldNet Telecommunications, the LG electronics fall as a victim of the Maze ransomware operators.”

Computers and Electronics 130

Computers and Electronics Ransomware Mobile Telecommunications 130

SecureList

MAY 11, 2023

Ransomware keeps making headlines. attempted ransomware attacks which was 20% more than in 2021 (61.7M). attempted ransomware attacks which was 20% more than in 2021 (61.7M). Although early 2023 saw a slight decline in the number of ransomware attacks, they were more sophisticated and better targeted.

Ransomware 140

Ransomware Malware Architecture Telecommunications 140

Security Affairs

JANUARY 14, 2022

Ukrainian police arrested members of a ransomware gang that targeted at least 50 companies in the U.S. Ukrainian police arrested members of a ransomware affiliate group that is responsible for attacking at least 50 companies in the U.S. The gang was distributing the LockerGoga and MegaCortex ransomware families. and Europe.

Ransomware 137

Ransomware DDOS Telecommunications Malware 137

Heimadal Security

JULY 19, 2021

The Corporación Nacional de Telecomunicaciones, CNT EP is the public telecommunications company in Ecuador that offers fixed telephony services local, regional and international, Internet Access (Dial-Up, DSL, mobile Internet), satellite television, and mobile telephony in Ecuadorian territory.

Telecommunications 98

Telecommunications Ransomware Mobile Internet 98

CyberSecurity Insiders

MAY 31, 2022

If you thought Windows 11 operating system machines were safe from Ransomware, then you better think twice before concluding. As information is out that those spreading Magniber Ransomware are after Windows 11 Machines and have targeted around a hundred by now.

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Ransomware Telecommunications Encryption Cyber Attacks 112

Security Affairs

OCTOBER 24, 2020

The systems at the US-based ski and golf resort operator were infected with the WastedLocker ransomware, the incident impacted reservation systems. Boyne Resorts was the victim of WastedLocker ransomware attack, the incident has impacted reservation systems. This group has been active since at least 2007, in December 2019, the U.S.

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Ransomware Telecommunications Banking Advertising 123

SecureWorld News

JULY 1, 2020

Phishing emails are increasingly attempting to launch ransomware attacks against organizations. This includes a newly discovered family, or strain of ransomware, called Avaddon. Proofpoint research: rise in email based ransomware. Throughout June, security researchers noticed an increase in email-based ransomware attacks.

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Ransomware Manufacturing Telecommunications Healthcare 117

Security Boulevard

MARCH 15, 2022

Lapsus$: The New Name in Ransomware Gangs. According to The Record , the largest media conglomerate in Portugal, Impresa, was a target of the Lapsus$ ransomware over the New Year holiday break. Other targets include Brazil’s Ministry of Health (MoH) and Brazilian telecommunications operator Claro. brooke.crothers. UTM Medium.

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Ransomware Telecommunications Firmware Media 128

Security Affairs

MARCH 11, 2022

Lapsus$ Ransomware gang is looking for insiders willing to sell remote access to major technology corporations and ISPs. Thursday, March 10, Lapsus$ ransomware gang announced they’re starting to recruit insiders employed within major technology giants and ISPs, such companies include Microsoft, Apple, EA Games and IBM.

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Ransomware Telecommunications Technology VPN 117

SecureList

MAY 12, 2021

As the world marks the second Anti-Ransomware Day, there’s no way to deny it: ransomware has become the buzzword in the security community. Yet, much of the media attention ransomware gets is focused on chronicling which companies fall prey to it. Part I: Three preconceived ideas about ransomware.

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Ransomware Encryption Malware Cybercrime 145

Security Affairs

FEBRUARY 13, 2025

The group also created the NotPetya ransomware that hit hundreds of companies worldwide in June 2017. On September 2022, the Sandworm group was observed impersonating telecommunication providers to target Ukrainian entities with malware.

Telecommunications 107

Telecommunications DNS Passwords Hacking 107

Heimadal Security

APRIL 8, 2021

Cybercriminals are actively exploiting the CVE-2018-13379 vulnerability in Fortinet VPNs to deploy a brand new type of ransomware, tracked as Cring ransomware to companies in the industrial sector. The post Unpatched Fortinet VPN Devices Are Attacked by New Cring Ransomware appeared first on Heimdal Security Blog.

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VPN Ransomware Telecommunications Cybersecurity 85

Digital Shadows

MARCH 17, 2025

This bypasses security barriers entirely, giving adversaries a direct path to infiltrate networks, steal data, and deploy ransomware undetected. Notably, 64% of VPN vulnerabilities are directly linked to ransomware campaigns, demonstrating how cybercriminals quickly monetize stolen credentials for profit.

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VPN Authentication Ransomware Risk 133

Security Affairs

MAY 31, 2022

Costa Rican Social Security Fund, Costa Rica ‘s public health service, was hit by a Hive ransomware attack. Costa Rican Social Security Fund, Costa Rica ‘s public health service (aka CCCS), was hit today by a Hive ransomware attack, BleepingComputer reported. The attack occurred early this morning, Tuesday, May 31, 2022.

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Ransomware Government Telecommunications Hacking 114

Security Affairs

MARCH 6, 2023

On Sunday, a ransomware attack hit the Hospital Clinic de Barcelona, one of the main hospitals of the Catalan city. A local cybersecurity agency revealed that the attack was launched by a ransomware group known as Ransom House. At this time the ransomware gang behind the attack has yet to demand the payment of a ransom.

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Ransomware Telecommunications Cyber Attacks Data breaches 98

SecureWorld News

JULY 21, 2020

Over the weekend, ransomware gang REvil took control of an internet service provider (ISP), infecting the internal network. The ransomware demand is a staggering $7.5 The attack began with a domain admin and spread throughout the company network with extensive damage. million, set to double every three days.

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Ransomware Telecommunications VPN Internet 93

Security Affairs

OCTOBER 18, 2021

A ransomware attack is likely the cause of the recent downtime for TV stations owned by the Sinclair Broadcast Group broadcast television company. TV stations owned by the Sinclair Broadcast Group went down over the weekend officially due to technical issues, but some media [ 1 , 2 ] reported that it was a victim of a ransomware attack.

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Ransomware Media Telecommunications Marketing 105

Approachable Cyber Threats

MARCH 9, 2023

Category Awareness, News, Case Study As one of the world’s fastest-growing industries, telecommunication has become a highly vulnerable target for cybersecurity threats. In short, telecommunications (telecom) is a fundamental and critical component of our global infrastructure. Read more of the ACT

Telecommunications 52

Telecommunications IoT Firewall Encryption 52

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

SecureWorld News

JANUARY 9, 2025

Key cybersecurity provisions Securing communications networks Five billion dollars is allocated to help local telecommunications providers replace potentially insecure Chinese technology (e.g., Nation-states harboring ransomware actors are now classified as hostile foreign cyber actors. Huawei and ZTE equipment ).

Cybersecurity 106

Cybersecurity Manufacturing Surveillance Ransomware 106

CSO Magazine

NOVEMBER 11, 2021

“Having a risk management framework is essential, because risk can never be totally eliminated; it can only be effectively managed,” says Arvind Raman, CISO at telecommunications company Mitel Networks. To read this article in full, please click here (Insider Story)

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Risk Telecommunications CISO Data breaches 125

Security Affairs

MARCH 28, 2023

Telecommunications giant Lumen Technologies discovered two cybersecurity incidents, including a ransomware attack. One of the incidents is a ransomware attack that impacted a limited number of its servers that support a segmented hosting service. ” reads the 8-k form filed by the company with SEC.

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Ransomware Telecommunications Technology Malware 98

Security Affairs

NOVEMBER 11, 2022

Microsoft linked Prestige ransomware attacks against organizations in Ukraine and Poland to Russia-linked threat actors. Microsoft has identified a new ransomware strain "Prestige" in limited targeted attacks in Ukraine and Poland. The campaign shares victimology with recent operations conducted by Russia-linked threat actors.

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Ransomware Telecommunications DNS Hacking 98

Malwarebytes

FEBRUARY 1, 2023

Malwarebytes Threat Intelligence builds a monthly picture of ransomware activity by monitoring the information published by ransomware gangs on their dark web leak sites. Lockbit has rebounded from its unusual fall from grace in November, snatching the title of the month's worst ransomware, back from Royal.

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Ransomware Telecommunications Healthcare Encryption 96

SecureWorld News

AUGUST 31, 2022

The United States Embassy in Montenegro issued a rare security alert , warning of a "persistent and ongoing cyberattack" that could include disruptions to public utilities, transportation, and telecommunications. The Cuba Ransomware gang has claimed responsibility for the attack, listing the stolen information on its Tor-based data leak site.

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Ransomware Government Telecommunications Cyber Attacks 97