#1 Trusted Cybersecurity News Platform
Followed by 5.20+ million
The Hacker News Logo
Subscribe – Get Latest News
Security Service Edge

Search results for cyber attack | Breaking Cybersecurity News | The Hacker News

Hackers Target Indian Nuclear Power Plant – Everything We Know So Far

Hackers Target Indian Nuclear Power Plant – Everything We Know So Far

Oct 30, 2019
A story has been making the rounds on the Internet since yesterday about a cyber attack on an Indian nuclear power plant. Due to some experts commentary on social media even after lack of information about the event and overreactions by many, the incident received factually incorrect coverage widely suggesting a piece of malware has compromised "mission-critical systems" at the Kudankulam Nuclear Power Plant . Relax! That's not what happened. The attack merely infected a system that was not connected to any critical controls in the nuclear facility. Here we have shared a timeline of the events with brief information on everything we know so far about the cyberattack at Kudankulam Nuclear Power Plant (KKNPP) in Tamil Nadu. From where this news came? The story started when Indian security researcher Pukhraj Singh tweeted that he informed Indian authorities a few months ago about an information-stealing malware, dubbed Dtrack, which successfully hit "extre...
Iran Slows Internet to Prevent Cyber Attacks Amid Escalating Regional Conflict

Iran Slows Internet to Prevent Cyber Attacks Amid Escalating Regional Conflict

Jun 18, 2025 Hacktivism / Cyber Warfare
Iran has throttled internet access in the country in a purported attempt to hamper Israel's ability to conduct covert cyber operations, days after the latter launched an unprecedented attack on the country, escalating geopolitical tensions in the region. Fatemeh Mohajerani, the spokesperson of the Iranian Government, and the Iranian Cyber Police, FATA, said the internet slowdown was designed to maintain internet stability and that the move is "temporary, targeted, and controlled, to ward off cyber attacks." Data shared by NetBlocks shows a "significant reduction in internet traffic" around 5:30 p.m. local time. The development comes amid deepening conflict, with Israel and Iran trading missile attacks since Friday. These attacks have spilled over into cyberspace, as security experts warned of retaliatory cyber operations by Iranian state actors and hacktivist groups. The digital warfare unfolding behind the scenes goes two ways. Earlier this week, a pro...
17-Year-Old Arrested in Connection with Cyber Attack Affecting Transport for London

17-Year-Old Arrested in Connection with Cyber Attack Affecting Transport for London

Sep 13, 2024 Cyber Attack / Crime
British authorities on Thursday announced the arrest of a 17-year-old male in connection with a cyber attack affecting Transport for London (TfL). "The 17-year-old male was detained on suspicion of Computer Misuse Act offenses in relation to the attack, which was launched on TfL on 1 September," the U.K. National Crime Agency (NCA) said . The teenager, who's from Walsall, is said to have been arrested on September 5, 2024, following an investigation that was launched in the incident's aftermath. The law enforcement agency said the unnamed individual was questioned and subsequently let go on bail. "Attacks on public infrastructure such as this can be hugely disruptive and lead to severe consequences for local communities and national systems," Deputy Director Paul Foster, head of the NCA's National Cyber Crime Unit, said. "The swift response by TfL following the incident has enabled us to act quickly, and we are grateful for their continued co...
cyber security

GitLab Security Best Practices

websiteWizDevSecOps / Compliance
Learn how to reduce real-world GitLab risk by implementing essential hardening steps across the full software delivery lifecycle.
cyber security

SANS ICS Command Briefing: Preparing for What Comes Next in Industrial Security

websiteSANSICS Security / Security Training
Experts discuss access control, visibility, recovery, and governance for ICS/OT in the year ahead.
Two Florida Cities Paid $1.1 Million to Ransomware Hackers This Month

Two Florida Cities Paid $1.1 Million to Ransomware Hackers This Month

Jun 26, 2019
In the last two weeks, Florida has paid more than $1.1 million in bitcoin to cybercriminals to recover encrypted files from two separate ransomware attacks—one against Riviera Beach and the other against Lake City . Lake City, a city in northern Florida, agreed on Monday to pay hackers 42 Bitcoin (equivalent to $573,300 at the current value) to unlock phone and email systems following a ransomware attack that crippled its computer systems for two weeks. The ransomware attack, dubbed "Triple Threat" since it combines three different methods of attack to target network systems, infected Lake City systems on June 10 after an employee in city hall opened a malicious email. Though the IT staff disconnected computers within just 10 minutes of the cyber attack starting, it was too late. The attack locked down the city workers' email accounts and servers. Since the police and fire departments operate on a different server, they were the only ones not impacted by the a...
Massive Cyber Attack Knocks Down Ukrainian Government Websites

Massive Cyber Attack Knocks Down Ukrainian Government Websites

Jan 15, 2022
No fewer than 70 websites operated by the Ukrainian government went offline on Friday for hours in what appears to be a coordinated cyber attack amid heightened tensions with Russia. "As a result of a massive cyber attack, the websites of the Ministry of Foreign Affairs and a number of other government agencies are temporarily down," Oleg Nikolenko, MFA spokesperson,  tweeted . The Security Service of Ukraine, the country's law-enforcement authority,  alluded  to a possible Russian involvement, pointing fingers at the hacker groups associated with the Russian secret services while branding the intrusions as a supply chain attack that involved hacking the "infrastructure of a commercial company that had access to the rights to administer the web resources affected by the attack." Prior to the update from the SSU, the Ukrainian CERT claimed that the attacks may have exploited a security vulnerability in Laravel-based October CMS ( CVE-2021-32648 ), which cou...
What Is Your Security Team Profile? Prevention, Detection, or Risk Management

What Is Your Security Team Profile? Prevention, Detection, or Risk Management

Sep 05, 2022
Not all security teams are born equal. Each organization has a different objective. In cybersecurity, adopting a proactive approach is not just a buzzword. It actually is what makes the difference between staying behind attackers and getting ahead of them. And the solutions to do that do exist! Most attacks succeed by taking advantage of common failures in their target's systems. Whether new or not, known, unknown, or even unknown, attacks leverage security gaps such as  unpatched or uncharted vulnerabilities, misconfigurations, out-of-date systems, expired certificates, human errors, etc. As attackers rely on a range of automated offensive testing tools to scan their targets' attack surfaces and propagate inside their network, a purely reactive defensive stance based on detection and response is increasingly likely to be overwhelmed by an attack. The logical tactical move is to emulate attackers' TTPs and behaviors beforehand by integrating attack simulation tools to...
Microsoft becomes latest victim of Cyber attack

Microsoft becomes latest victim of Cyber attack

Feb 23, 2013
Microsoft has become the latest victim of to Cyber attack and confirm that small number of its computers, including some in its Mac software business unit, were infected with malware . Microsoft added , malicious software used in a cyber attack is very similar to those experienced by Facebook and Apple recently. Microsoft gave few other details about the break-in, " We have no evidence of customer data being affected and our investigation is ongoing. " “ During our investigation, we found a small number of computers, including some in our Mac business unit that were infected by malicious software using techniques similar to those documented by other organizations. We have no evidence of customer data being affected and our investigation is ongoing, ” Microsoft said. " This type of cyber attack is no surprise to Microsoft and other companies that must grapple with determined and persistent adversaries ," the company said. Last week, Apple said its...
Re-Focusing Cyber Insurance with Security Validation

Re-Focusing Cyber Insurance with Security Validation

Nov 10, 2022
The rise in the costs of data breaches, ransomware, and other cyber attacks leads to rising cyber insurance premiums and more limited cyber insurance coverage. This cyber insurance situation increases risks for organizations struggling to find coverage or facing steep increases. Some  Akin Gump Strauss Hauer & Feld LLP's  law firm clients, for example, reported a three-fold increase in insurance rates, and carriers are making "a huge pullback" on coverage limits in the past two years. Their cybersecurity practice co-head, Michelle Reed, adds, "The reduced coverage amount can no longer shield policyholders from cyber losses. A $10 million policy can end up with a $150,000 limit on cyber frauds." The cyber-insurance situation is so concerning that the U.S. Treasury Department recently issued a  request for public input  on a potential federal cyber-insurance response program. This request is in addition to the assessment led conjointly by the Federal Insura...
From Third-Party Vendors to U.S. Tariffs: The New Cyber Risks Facing Supply Chains

From Third-Party Vendors to U.S. Tariffs: The New Cyber Risks Facing Supply Chains

Apr 16, 2025 Artificial Intelligence / Software Security
Introduction Cyber threats targeting supply chains have become a growing concern for businesses across industries. As companies continue to expand their reliance on third-party vendors, cloud-based services, and global logistics networks, cybercriminals are exploiting vulnerabilities within these interconnected systems to launch attacks. By first infiltrating a third-party vendor with undetected security gaps, attackers can establish a foothold, leveraging these weaknesses to penetrate the primary business partners’ network. From there, they move laterally through critical systems, ultimately gaining access to sensitive data, financial assets, intellectual property, or even operational controls. Recent high-profile breaches like the 2024 ransomware attack that hit Change Healthcare, one of the world’s largest health payment processing companies, demonstrate how attackers disrupted supply chain operations stealing up to 6TB of millions of patients’ protected health information (PHI)....
Encrypted Messaging Project "Matrix" Suffers Extensive Cyber Attack

Encrypted Messaging Project "Matrix" Suffers Extensive Cyber Attack

Apr 12, 2019
Matrix—the organization behind an open source project that offers a protocol for secure and decentralized real-time communication—has suffered a massive cyber attack after unknown attackers gained access to the servers hosting its official website and data. Hackers defaced Matrix's website, and also stole unencrypted private messages, password hashes, access tokens, as well as GPG keys the project maintainers used for signing packages. The cyber attack eventually forced the organization to shut down its entire production infrastructure for several hours and log all users out of Matrix.org. So, if you have an account with Matrix.org service and do not have backups of your encryption keys or were not using server-side encryption key backup, unfortunately, you will not be able to read your entire encrypted conversation history. Matrix is an open source end-to-end encrypted messaging protocol that allows anyone to self-host a messaging service on their own servers, powering ...
Louisiana State Government Hit by Ransomware Attack Forcing Server Shutdowns

Louisiana State Government Hit by Ransomware Attack Forcing Server Shutdowns

Nov 19, 2019
Targeted ransomware attacks on banking and finance, government , healthcare , and critical infrastructure are on the rise, with the latest victim being the state government of Louisiana. The state government of Louisiana was hit by a large-scale coordinated ransomware attack yesterday, which forced the state to take several state agency servers offline, including government websites, email systems, and other internal applications, to mitigate the risk of the malware's infection from spreading. The Monday's ransomware attack resulted in the subsequent shutdown of a majority of large state agencies, including the Office of the Governor, the Office of Motor Vehicles, the Department of Health, the Department of Children and Family Services, and the Department of Transportation and Development, among others. Louisiana Gov. John Bel Edwards revealed the incident in a series of tweets, saying that he had activated the state's cybersecurity team in response to the cyber ...
Gene Simmons v. Anonymous : FBI raids Gig Harbor home in search of hacker who targeted Kiss frontman

Gene Simmons v. Anonymous : FBI raids Gig Harbor home in search of hacker who targeted Kiss frontman

May 07, 2011
Gene Simmons v. Anonymous : FBI raids Gig Harbor home in search of hacker who targeted Kiss frontman The FBI has raided the Gig Harbor home of an alleged hacker suspected in a cyber attack against Kiss bassist Gene Simmons. The October attack purportedly conducted by Anonymous – the same hacker group Sony claims crashed the Playstation Network – left the 61-year-old glam rocker’s websites down for about a week after he spoke at an anti-online piracy conference. Now, an FBI cyber crime squad has traced the attack to a Gig Harbor home where agents seized computer equipment late last month. In court documents filed with the U.S. District Court in Tacoma, a Los Angeles-based FBI special agent alleged the perpetrator of the attack was “most likely” someone living at the Gig Harbor residence. Writing the court, though, the agent, a member of the Bureau cyber crime unit, stopped short of saying so with certainty. “I believe that someone with access to the computer at the subject r...
South Korean Nuclear Power Plant Hacked

South Korean Nuclear Power Plant Hacked

Dec 24, 2014
Koreans have once again gain media attention but this time not as an accused of any kind of hack attack, but as a victim of a severe attack on computers systems at a nuclear power plant in South Korea by an unknown hacker or a group. South Korea was hit by a cyber attack on its nuclear power plant, causing the operator to conduct drills in order to test the ability of the nuclear plant to cope with a full-scale cyber-attack. Although the plant's operator says no critical data has been leaked. The cyber attack came into light after a hacker posted blueprints of nuclear reactors online and threatened further "leaks" unless authorities close down the reactors. According to the South Korean Yonhap News Agency, the hacker was able to access blueprints of reactors, floor maps and other internal information on the plant. Last week with the help of a Twitter account named " president of anti-nuclear reactor group ," the hacker posted leaked data revea...
Russia-Aligned ELECTRUM Tied to December 2025 Cyber Attack on Polish Power Grid

Russia-Aligned ELECTRUM Tied to December 2025 Cyber Attack on Polish Power Grid

Jan 28, 2026 Critical Infrastructure / Threat Intelligence
The "coordinated" cyber attack targeting multiple sites across the Polish power grid has been attributed with medium confidence to a Russian state-sponsored hacking crew known as ELECTRUM . Operational technology (OT) cybersecurity company Dragos, in a new intelligence brief published Tuesday, described the late December 2025 activity as the first major cyber attack targeting distributed energy resources (DERs). "The attack affected communication and control systems at combined heat and power (CHP) facilities and systems managing the dispatch of renewable energy systems from wind and solar sites," Dragos said . "While the attack did not result in power outages, adversaries gained access to operational technology systems critical to grid operations and disabled key equipment beyond repair at the site." It's worth pointing out that ELECTRUM and KAMACITE share overlaps with a cluster referred to as Sandworm (aka APT44 and Seashell Blizzard). KA...
The Revolution from Cyber Terrorist attack to Indian Cyber Security

The Revolution from Cyber Terrorist attack to Indian Cyber Security

May 14, 2012
The Revolution from Cyber Terrorist attack to Indian Cyber Security Cyber attack has put our lives in danger every second. The cyber attacks are becoming the root cause of the mishappenings around us every other day. As the next generation wars are increasing depending on robust and secure information systems networks, it is imperative for a country to invest in building a reliable infrastructure. As the next generation wars are increasing depending on robust and secure information systems networks, it is imperative for a country to invest in building a reliable infrastructure. Increasing attacks on cyberspace in India has brought several professionals and experts from the Industry, in support with the last week, India’s Defense Minister, AK Antony,   announced   an additional $1.3 Billion will be invested in the project making the grand total to a $3.1 Billion.  It is observed that many Electronic Notification is usually sent before a major terrorist attack, fol...
Ukraine Hit with New Golang-based 'SwiftSlicer' Wiper Malware in Latest Cyber Attack

Ukraine Hit with New Golang-based 'SwiftSlicer' Wiper Malware in Latest Cyber Attack

Jan 28, 2023 Cyber Threat / Cyber War
Ukraine has come under a fresh cyber onslaught from Russia that involved the deployment of a previously undocumented Golang-based data wiper dubbed  SwiftSlicer . ESET attributed the attack to Sandworm, a nation-state group linked to Military Unit 74455 of the Main Intelligence Directorate of the General Staff of the Armed Forces of the Russian Federation (GRU). "Once executed it deletes shadow copies, recursively overwrites files located in %CSIDL_SYSTEM%\drivers, %CSIDL_SYSTEM_DRIVE%\Windows\NTDS and other non-system drives and then reboots computer," ESET  disclosed  in a series of tweets. The overwrites are achieved by using randomly generated byte sequences to fill 4,096 byte-length blocks. The intrusion was discovered on January 25, 2023, the Slovak cybersecurity company added. "Attackers deployed the SwiftSlicer wiper using Group Policy of Active Directory," Robert Lipovsky, senior malware researcher for ESET, told The Hacker News. "Once SwiftSlicer...
Expert Insights Articles Videos
Cybersecurity Resources