-->
#1 Trusted Cybersecurity News Platform
Followed by 5.70+ million
The Hacker News Logo
Get the Latest News
cybersecurity

The Hacker News | #1 Trusted Source for Cybersecurity News

Hackers Exploit AnySign4PC via Hacked Korean Sites to Install Backdoors Without Prompts

Hackers Exploit AnySign4PC via Hacked Korean Sites to Install Backdoors Without Prompts

Jul 30, 2026 Vulnerability / Web Security
South Korean authorities and four security firms have disclosed a state-sponsored campaign that compromised trusted domestic websites. The attackers used those sites to exploit locally installed financial-security software and infect targeted visitors with SIGNBT or COPPERHEDGE backdoors. A compromised page could infect a system running a vulnerable AnySign4PC version without a prompt or user-initiated download. The Korea Internet & Security Agency (KISA) says AnySign4PC versions 1.1.4.4 through 1.1.4.6 are affected and lists version 1.1.5.0 as the fixed release. It recommends deleting vulnerable installations. AhnLab refers to two exploited products only as financial-security software A and I. Its report does not disclose their identities, affected or fixed versions, or vulnerability identifiers. AhnLab said it identified evidence of related attacks at 72 organizations in 2026. The company also found 15 legitimate websites used as watering holes. Its investigation also foun...
Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

Jul 30, 2026 Email Security / Vulnerability
The Russian threat actors recently linked to the exploitation of a now-patched vulnerability in Zimbra have been observed exploiting another vulnerability, this time in Microsoft Outlook Web Access (OWA), to target U.S. and European government entities, as well as the telecommunications, financial, hospitality, and aerospace sectors. The activity, which began on July 22, 2026, involves the weaponization of CVE-2026-42897 (CVSS score: 8.1), a cross-site scripting (XSS) vulnerability in OWA. It was flagged by Microsoft as having been exploited in attacks as far back as May 2026. Enterprise security company Proofpoint has attributed the activity to Laundry Bear (aka CL-STA-1114, TA488, UNK_PitStop, and Void Blizzard), which was recently attributed to the zero-day exploitation of CVE-2025-66376, an XSS flaw in Zimbra's Classic UI, since at least July 2025 before it was patched four months later. In these attacks, the threat actors sent out messages from adversary-controlled P...
FCC Blocks New Foreign-Produced Robots and Power Inverters Over Cyber Risks

FCC Blocks New Foreign-Produced Robots and Power Inverters Over Cyber Risks

Jul 30, 2026 Regulation / Supply Chain Security
The Federal Communications Commission (FCC) added foreign-produced mobile robots and networked power inverters to its Covered List on July 28. The move generally prevents new models from receiving the equipment authorization required for import, marketing, or sale in the US. Previously authorized models can still be sold, and devices people already own are unaffected. Federal purchases and use are also unaffected by this FCC action. Previously authorized hardware can keep receiving qualifying security and compatibility updates. FCC rules otherwise exclude covered equipment from certification procedures for Class I and Class II permissive changes. The FCC's Office of Engineering and Technology granted a waiver the same day, through at least January 1, 2029, for software and firmware changes that "patch vulnerabilities and facilitate compatibility with different operating systems." Manufacturers can apply through the FCC for Conditional Approval. The Department of...
cyber security

How AI Is Rewriting the Cloud Security Playbook

websiteSANSCloud Security / Training
Explore AI agents, Zero Trust, machine identities, and cloud security with Anthropic, AWS, Google Cloud, Microsoft, and SANS. Explore the Agenda.
Amazon Links Debug and Chalk npm Hijack to North Korea’s Sapphire Sleet

Amazon Links Debug and Chalk npm Hijack to North Korea’s Sapphire Sleet

Jul 30, 2026 Software Security / Threat Intelligence
Amazon has tied the September 2025 hijack of the npm packages debug and chalk to North Korea. For ten months, the incident sat in the public record as crypto theft: a maintainer phished through a lookalike npm domain and a wallet-draining script pushed into at least 18 packages carrying more than 2 billion weekly downloads between them. The original Aikido and Wiz reports did not attribute the incident to North Korea. In research published July 29, Amazon Threat Intelligence assesses with medium confidence that the group behind the March 2026 axios compromise was behind it. The same group planted a trojanized file in a small package called typo-crypto in March 2025, according to Amazon, a full year before it reached axios. Analysts found it while chasing a domain registered in 2025 that surfaced during the axios investigation. Downloads were low, but the tradecraft "aligns with what we later observed in attacks on more popular packages," Amazon wrote, and the compa...
Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

Jul 30, 2026 Vulnerability / Network Security
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a newly disclosed security flaw impacting Cisco Secure Firewall Management Center (FMC) Software to its Known Exploited Vulnerabilities ( KEV ) catalog, following reports of zero-day exploitation. The vulnerability, assigned CVE-2026-20316 (CVSS score: 5.3), could permit an unauthenticated, remote attacker to log in to an affected device using a low-privilege account to access sensitive data within susceptible systems. "This vulnerability is due to the presence of static user credentials for a low-privileged account," Cisco said in an alert released Wednesday. "An attacker could exploit this vulnerability by using the account to log in to an affected system." "A successful exploit could allow the attacker to log in to the affected system and access sensitive data as the low-privileged user."
cyber security

Five things successful IT teams get right about SaaS management

website1PasswordSaaS Management / Password Security
1Password blog: how IT teams can automate access reviews, reduce license spend, and surface shadow AI and IT.
Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Jul 29, 2026 Vulnerability / Software Security
Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted image uploads. Tracked as CVE-2026-66066 (CVSS score: 9.5), the flaw can expose the Rails process environment and secrets such as secret_key_base , the Rails master key, database passwords, cloud storage credentials, and API tokens. Those secrets may enable remote code execution (RCE) or lateral movement into connected systems. Affected applications use libvips for Active Storage image processing and accept image uploads from untrusted users. Rails selects Vips under load_defaults 7.0 , and later defaults retain it. Ethiack and GMO Flatt Security list the affected ranges as Rails 7.0.0 through 7.2.3.1, Rails 8.0.0 through 8.0.5, and Rails 8.1.0 through 8.1.3. Rails 6.0.0 through 6.1.7.10 releases are affected only when Active Storage is configured to use Vips, which was not the default processor in Ra...
Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

Jul 29, 2026 Vulnerability / AI Security
Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo , an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution. The vulnerability, tracked as CVE-2026-59726 (CVSS score: 10.0), impacts all versions of the project before version 3.16.3. It has been codenamed RufRoot by Noma Security's research team, Noma Labs. Originally launched as Claude Flow, Ruflo is an AI multi-agent orchestration platform and harness that allows users to deploy multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. The project has more than 66,500 stars on GitHub. The crux of the vulnerability is that Ruflo exposed 233 tools, including shell command execution, database operations, agent management, and memory storage, through an unauthenticated Model Context Protocol (MCP) bridge that's open to the network by default. Specifically, the "docker-comp...
Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Jul 29, 2026 Vulnerability / Enterprise Security
Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 (CVSS score: 9.8), which has been described as an authentication bypass in VMware vCenter. "A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system," Broadcom said. The second critical flaw is a directory-traversal vulnerability in vCenter ( CVE-2026-59310 , CVSS score: 9.8) that a malicious actor with network access can exploit to execute arbitrary code. Both vulnerabilities have been addressed in the versions below - VMware Cloud Foundation, VMware vSphere Foundation versions 9.1.x.x (Fixed in 9.1.0.0300) VMware Cloud Foundation, VMware vSphere Foundation versions 9.0.x.x (Fixed in 9.0.2.0100) VMware vCenter version...
Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

Coordinated Cyberattack Targets 30+ Minnesota Water Systems as One Plant Goes Offline

Jul 29, 2026 Critical Infrastructure / Threat Intelligence
A coordinated cyberattack targeted operational technology at more than 30 Minnesota community water systems on July 26 and 27, triggering a statewide cybersecurity response. Braham, Plymouth, South St. Paul and Maple Plain have publicly described a plant outage, communications failures or affected automated controls. Braham 's water plant went offline, and the city asked residents to minimize water use until treatment resumed. Plymouth reported cellular communications problems at two water towers and multiple wastewater lift stations but continued operating manually. South St. Paul and Maple Plain maintained services after automated utility controls were affected, with Maple Plain declaring a local state of emergency to support its response. Minnesota IT Services (MNIT) said on July 28 that it was not aware of any active requests for residents to change their drinking-water use. Officials have not publicly identified the attacker, affected products, exploited vulnerabi...
Nine-Year Fraud Campaign Clones Russian Company Sites to Steal Advance Payments

Nine-Year Fraud Campaign Clones Russian Company Sites to Steal Advance Payments

Jul 29, 2026 Cybercrime / Threat Intelligence
Cybersecurity researchers have disclosed details of a large-scale fraud campaign that involves creating lookalike websites of major Russian companies with an aim to siphon funds from international firms for more than nine years. According to Russian cybersecurity vendor F6 , the threat actors have set up clone websites of Russian companies across fertilizer manufacturers, petrochemical companies, metallurgical plants, logistics operators, and banks. The operation has been ongoing since 2017. "Most of the content on these fraudulent websites was copied from the legitimate company websites. Some also used lookalike domain names," the cybersecurity company said in an exclusive report shared with The Hacker News. "These fake websites, available in English, French, Arabic, and Russian, were used to target international customers and steal advance payments for goods that did not exist." Analysis indicates that the phony prepayment scheme has primarily singled out o...
Mythos Asks the Right Question. It Doesn't Answer It.

Mythos Asks the Right Question. It Doesn't Answer It.

Jul 29, 2026 Exposure Management / Artificial Intelligence
AI is compressing exploit timelines. The real question isn't whether your vulnerability management playbook needs to change, it's which part of it you've been getting wrong all along. The conversation happening in security circles right now goes something like this: Mythos is here. Exploit timelines are collapsing. Does the vulnerability management playbook need to change? The honest answer is yes. But not the part most people are focused on. The discussion around Mythos, Anthropic's frontier model and its implications for offensive security, tends to center on discovery. AI accelerates reconnaissance. It helps attackers identify exposures faster, chain techniques more efficiently, and move at machine speed through environments that were previously protected, in part, by the attacker's own time constraints. That's real. And it matters. But here's the part getting less attention: most security teams weren't winning the prioritization battle bef...
Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser

Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser

Jul 29, 2026 Vulnerability / Browser Security
Nebula Security says a patched Firefox JIT flaw could be triggered by simply visiting a malicious webpage and was also used to compromise Tor Browser. Tracked as CVE-2026-10702 , the bug provides arbitrary code execution inside the browser's renderer process. Mozilla rated it High and fixed it in the Firefox 151.0.3 update . "No settings or additional user interaction are required," Eten Zou, CEO of Nebula Security, told The Hacker News. "Visiting a malicious webpage is enough to trigger it," Zou said every Tor Browser release that incorporated a vulnerable Firefox version was affected, though researchers have not identified the exact Tor releases. On its own, the bug runs code only inside Firefox's sandboxed content process. Nebula released public exploit material and used the flaw as the first stage of IonStack, a browser-to-kernel chain built for an ARM64 device running Android 17. The released end-to-end code targets one supported Google build, a...
73% of Organizations Say They Are Not Fully Ready for a Major Cyberattack

73% of Organizations Say They Are Not Fully Ready for a Major Cyberattack

Jul 29, 2026 Incident Response / Enterprise Security
Most organizations have incident response plans, security tools, and technical teams in place. Yet new research suggests that many still lack the coordination, visibility, and executive alignment needed to withstand a serious cyberattack. According to The State of Incident Response Readiness 2026 , based on a survey of 600 senior IT security decision makers conducted by Vanson Bourne in January and February 2026, 73% of organizations admit they would not be "fully ready" if a significant cybersecurity attack occurred tomorrow. The findings point to a critical gap between having incident response capabilities and being able to execute them effectively under pressure. The report also found that cyberattacks are already a recurring business risk. More than three-quarters of organizations, 76%, experienced at least one cyberattack in the past 12 months, while 32% experienced more than one. Incident Response Readiness Remains a Weak Point Incident response has evolved f...
Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity

Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity

Jul 29, 2026 Cybercrime / Law Enforcement
The Federal Security Service of the Russian Federation (FSB) on Wednesday said it charged Telegram founder Pavel Durov for allegedly facilitating terrorist activities and for failing to remove prohibited information in violation of Russian law. The principal security agency said the instant messaging platform "failed to remove numerous channels, chats, and bots on the platform that are actively used by Ukrainian special services and by terrorist and extremist organizations to plan and coordinate acts of sabotage and terrorism, mass killings, and cyber-fraud operations within the Russian Federation." These actions have resulted in numerous casualties, including among women and children, as well as significant damage amounting to billions, it added. Durov has been charged in connection with an ongoing criminal investigation under Part 1.1 of Article 205.1 of the Criminal Code of the Russian Federation for aiding terrorist activity. He has also been placed on the inte...
Expert Insights Articles Videos
Cybersecurity Resources