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“Network outage” disrupts Westfield Public Schools in New Jersey as ransomware group posts samples

A ransomware group posted stolen data samples after a districtwide network outage disrupted Westfield Public Schools in New Jersey.

Westfield Public Schools in New Jersey experienced a districtwide network outage during the first week of school, disrupting communications and digital instruction while classrooms stayed open. The district initially attributed the disruption to networking hardware failure across all schools and offices. A ransomware group has since posted data samples, indicating extortion activity tied to the incident.

DataBreaches.net · 7d agoRansomware

Nobody Is Saying Why OpenAI and Anthropic Had Outages Today

OpenAI, Anthropic, and xAI chatbots suffered brief simultaneous outages; OpenAI cited a routing error and SpaceX a Memphis compute center outage.

ChatGPT and Codex were unavailable to some users from about 7:43 to 8:17 am PT Thursday due to a routing error, per OpenAI. Anthropic reported a partial outage with elevated errors on Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5, resolved by 9:16 am PT, while declining to explain the cause. xAI attributed the Grok outage starting 6:30 am PT to an outage at SpaceX's Memphis compute center; no shared third-party infrastructure cause was confirmed despite Cloudflare, AWS, and Azure reporting no issues.

WIRED · Security · 13d agoAI industry1

Cyberattack causes network outage at Boston Scientific, disrupts global operations

Boston Scientific disclosed a cyberattack that caused a network outage, disrupting global operations including order processing and shipping.

The medical device maker detected the incident on August 25, activated incident response protocols with third-party cybersecurity experts, and told the SEC that access to systems supporting operations, including order processing and shipping, was disrupted. Boston Scientific employs about 59,000 people across 127 countries and posted more than $20 billion in net sales in 2025; it has not determined whether the incident is material and no group has claimed responsibility. The company joins a recent run of medtech attacks including Stryker, iRhythm, Novo Nordisk and Xsolis.

Help Net Security · 20d agoData breach

DDoS Attack Hits Norwegian Government Services

A coordinated DDoS campaign disrupted Norwegian government online services, causing availability outages across public digital services.

A coordinated distributed denial-of-service campaign caused disruption to Norwegian government digital services, according to Infosecurity Magazine. The attack affected the availability of public-facing services, and no data compromise was indicated in initial reporting. The responsible group or motive was not named in the report.

Infosecurity Magazine · 21d agoThreat actor

Possible cyber incident disrupts Monroe schools in Wisconsin

Possible cyber incident forced the School District of Monroe in Wisconsin to cut internet access, knocking out phones and canceling an ACT testing session.

The School District of Monroe in Wisconsin disconnected its network after a possible network security issue. Students powered down computers, school phone service failed, and a scheduled ACT testing session was canceled. Classes continued while the district investigates the incident. No data theft or attacker claims have been confirmed so far.

DataBreaches.net · 2d agoData breach

Cyber Incident Disrupts Student Services at UT San Antonio

UT San Antonio pulled IT systems offline after a cyber incident, disrupting student registration and tuition payments days before the term begins.

UT San Antonio reported a cyber incident and took IT systems offline as a precaution, disrupting student registration and tuition payment services. The outage comes days before the term is due to resume. The nature of the incident, whether data was accessed, and whether ransomware is involved have not been confirmed.

Infosecurity Magazine · 29d agoData breach

Boston Scientific Reveals Global Disruption After Cyber Incident

MedTech giant Boston Scientific disclosed a cyber incident causing IT outages and disruption across its global operations.

Boston Scientific revealed that a cyber incident triggered IT outages disrupting its worldwide operations. The medical device manufacturer has not yet confirmed whether data was accessed or whether ransomware is involved. Details on scope and impact remain limited as the investigation continues.

Infosecurity Magazine · 20d agoData breach

CISA Calls for More Guidance, Less Spin, as Cyber Outages Escalate

CISA and partners issue a joint advisory pressing organizations toward transparent breach notification and incident response as cyber outages escalate.

Dark Reading reports on a new joint government advisory led by CISA that signals a regulatory shift. The advisory presses organizations to adopt more transparent breach notification protocols and incident response practices. The guidance comes as cyber outages escalate and reflects growing government expectation of disclosure over spin.

Dark Reading · 5d agoPolicy & legal1

Suspected Iran-linked attack knocked UK power plant offline for days

Suspected Iranian hackers knocked a small UK power plant offline for four days in July 2026, with no noticeable impact on the national grid.

Sources told The Telegraph that a British power plant was offline for four days in July 2026 following a suspected Iranian cyberattack, reported to the National Cyber Security Centre. The UK energy minister said the incident affected a small-scale energy generator with no noticeable effect on the power supply, and energy CEOs were briefed and given further advice afterward. The attack followed warnings about Iranian cyber activity against US energy, water, and government networks, including a coordinated attack on 30+ US community water utilities.

Help Net Security · 23d agoThreat actor

Four major AI models suffer rare overlapping downtime

OpenAI, Anthropic, xAI, and Google AI services suffered rare overlapping outages on Thursday, with most incidents resolved within hours.

Anthropic reported a partial outage with elevated errors on Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 starting at 9:23 am ET, identifying the cause within about 15 minutes and resolving it by 12:16 pm, with a brief Claude Sonnet 5 error spike after noon. OpenAI reported elevated errors across ChatGPT and Codex from 10:43 am, marking the issue resolved at 12:55 pm after a mitigation. xAI's Grok showed a user-facing error message as DownDetector reports surged from fewer than 10 to 1,365 by 9:45 am, and Google also experienced interruptions during the same window.

Ars Technica · AI · 13d agoAI industry

Wake-Up Call for CNI After Iranian Attack Shuts Down UK Power Plant

A cyber-attack attributed to Iran shut down a UK power plant, exposing the frailty of critical national infrastructure, security experts warn.

Security experts say an Iranian cyber-attack forced a UK power plant offline, describing the incident as a wake-up call for critical national infrastructure operators. The attack caused physical operational disruption at an energy facility. Technical details about the intrusion path and the affected operator remain limited in initial reporting.

Infosecurity Magazine · 23d agoThreat actor in the wild

TCRF taken offline by DDoS attack after Claude user ban

The Cutting Room Floor game wiki was taken offline by a DDoS attack after a user leveraging Claude was banned.

The Cutting Room Floor (TCRF), a wiki documenting unused video game content, was knocked offline by a distributed denial-of-service attack. The attack reportedly followed moderation action banning a user who was using Anthropic's Claude. The incident highlights friction between community sites and AI-assisted users and tools.

Lobsters · security · 19d agoAI safety & security in the wild

Georgia’s largest county confirms cyberattack causing widespread issues

Fulton County, Georgia — home to Atlanta and over 1 million residents — confirms a cyberattack that disrupted county phone, court, and tax systems.

Fulton County government disclosed a widespread IT outage caused by a cybersecurity incident discovered over the weekend, affecting phone systems, the court system, and the tax system, including firearm and marriage license transactions. County Chairman Robb Pitts said the incident is under active investigation by law enforcement, and the FBI confirmed its involvement. The Tax Commissioner office in downtown Atlanta was closed and library public computers were offline. No group has claimed responsibility, though the article notes recent ransomware attacks on other Georgia local governments, including Forsyth County (AlphV) and Augusta.

The Record · 8d agoData breach

Communicating Under Pressure: Best Practices for Service Providers

CISA, FBI, and international partners issued guidance on crisis communications for service providers during IT and OT outages, emphasizing clarity, transparency, and backup channels.

CISA, the FBI, and international partners published guidance on planning and executing clear, timely, audience-appropriate communications during IT and OT service outages, whether caused by cyber threat actors, human error, or natural hazards. The guidance stresses clarity, accountability, and transparency, and warns that outages at one organization can cascade across interconnected systems. It recommends critical infrastructure owners assume telecommunications may be unreliable and integrate backup communication methods into crisis plans, and points to CISA's CI Fortify initiative for OT isolation and recovery resources.

CISA Advisories · 14d agoAdvisory

Cyberattack forces UT San Antonio to delay start of fall semester

UT San Antonio delayed fall semester start by three days after a weekend cyberattack was caught at the network edge before core systems.

The University of Texas at San Antonio, which serves more than 42,000 students, moved its fall semester start from August 19 to August 24 after a weekend cyberattack on its academic network. Officials said the intrusion attempt was caught at the edge of the network before reaching core systems and that no evidence of data theft has been found. The university took systems and services offline for review, causing phone system outages and password reset tool delays. The incident follows the Instructure Canvas breach during spring finals week that exposed data tied to millions of students and staff worldwide.

Help Net Security · 28d agoExploit / PoC

CISA Urges Service Providers to Provide Transparent Updates During Major IT and OT Outages

CISA and FBI issued guidance urging service providers to deliver timely, transparent communications during major IT and OT outages.

CISA, with the FBI and international partners, released 'Communicating Under Pressure: Best Practices for Service Providers', urging providers to prepare crisis-communication procedures, provide timely status updates during IT/OT outages, and maintain out-of-band communication channels. The guidance warns that disruptions to telecom, cloud, energy, and water services can cascade across critical infrastructure. It aligns with CISA's CI Fortify initiative supporting IT/OT isolation and recovery.

GBHackers · 5d agoAdvisory

Boston Scientific left nursing its bottom line after cyberattack

Boston Scientific says its August 25 network intrusion will materially hit third-quarter and full-year sales and earnings, likely missing guidance.

Boston Scientific detected unauthorized activity on its network on August 25 and took systems offline, disrupting order processing and shipping operations worldwide. In an SEC filing, the medical device maker warned of a material impact on Q3 and full-year results, making it unlikely to meet the net sales growth and adjusted EPS guidance issued in July. Its distribution network has been substantially restored, sterilization facilities are operational, manufacturing resumed at most sites, and an interruption affecting cardiac device remote-monitoring activations was resolved. The company has not revealed the attack vector, whether ransomware was involved, or whether data was stolen; no ransomware group has claimed responsibility and the investigation continues.

The Register · Security · 8d agoData breach

Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers

Citrix patches critical NetScaler Gateway and AAA authentication bypass CVE-2026-19490 (CVSS 9.3) plus a SIP ALG memory overflow flaw; exploitation attempts observed.

Citrix fixed CVE-2026-19490 (CVSS 9.3), an authentication bypass affecting customer-managed NetScaler ADC and Gateway appliances configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual servers, and CVE-2026-19489 (CVSS 8.8), a memory overflow causing DoS when SIP ALG is enabled in Large Scale NAT groups. Updates are available in versions 14.1-73.32, 13.1-63.21, and corresponding FIPS/NDcPP builds, while Citrix-managed cloud services were already patched. The flaws were reported by Samarth Vashisht of JPMorgan Chase's penetration-testing team, and Previdian later observed 10 exploitation attempts against CVE-2026-19490 from six unique IP addresses in Australia, Germany, Japan, and the US, with no confirmed compromise.

The Hacker News · 12d agoVulnerability in the wildCVE-2026-19489CVE-2026-19490CVE-2026-8451

Palo Alto Networks security advisory (AV26-905)

Canada's Cyber Centre relayed Palo Alto Networks advisories covering PAN-OS, Cloud NGFW, Prisma Access, and Prisma Browser vulnerabilities, including PAN-OS CVE-2026-0310 buffer overflow.

The Canadian Centre for Cyber Security issued advisory AV26-905, noting that as of September 10, 2026, multiple Palo Alto Networks products are affected by vulnerabilities. Affected products include Cloud NGFW on AWS and Azure, multiple PAN-OS versions, Prisma Access, and Prisma Browser prior to 151.26.5.170. The advisory references CVE-2026-0310, a PAN-OS buffer overflow via XML processing (PAN-SA-2026-0012), and the September 2026 Chromium monthly vulnerability update. Administrators are encouraged to review the vendor links and apply available updates.

Canadian Centre for Cyber Security · 6d agoAdvisory 3 sourcesCVE-2026-0310

[Control systems] Schneider Electric security advisory (AV26-871)

Canada's Cyber Centre relayed Schneider Electric advisories for vulnerabilities in NetBotz 5-750/755 (5.5.2 and prior) and PowerChute Serial Shutdown (1.5 and prior).

The Canadian Centre for Cyber Security issued control-systems advisory AV26-871 noting Schneider Electric products affected by vulnerabilities as of September 1, 2026. Affected products include NetBotz 5-750/755 versions 5.5.2 and prior, and PowerChute Serial Shutdown versions 1.5 and prior, the latter with an improper restriction of excessive authentication attempts flaw. Administrators are urged to review Schneider Electric's security notifications and apply the suggested mitigations and updates.

Canadian Centre for Cyber Security · 14d agoAdvisory

CO: Cyberattack damages files at Salida School District in Colorado

A cyberattack forced Colorado's Salida School District offline on June 29, damaging locally stored files and disrupting administrative operations.

A cyberattack on Salida School District in Colorado began around 6:30 a.m. on June 29 and was detected roughly two hours later, according to a July 2 district notice. Officials shut down the entire network and brought in outside specialists to respond. The attack damaged locally stored files and disrupted administrative operations. No confirmation of data exfiltration or ransomware involvement has been reported.

DataBreaches.net · 6d agoData breach in the wild

n8n security advisory (AV26-880)

Canada's Cyber Centre flagged multiple n8n vulnerabilities in versions prior to 1.123.76 and several 2.x releases, urging users to update.

The Canadian Centre for Cyber Security issued advisory AV26-880 stating that n8n is affected by vulnerabilities in versions prior to 1.123.76 and prior to 2.35.4, 2.36.2, 2.37.7, and 2.38.2. The advisory links to the n8n-io GitHub repository for details. Users and administrators are encouraged to review the advisory and apply the necessary updates.

Canadian Centre for Cyber Security · 13d agoAdvisory