Reporting on cyber threats: ransomware, phishing, breaches, malware and the actors behind them, curated from security news, research and vendor blogs.
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code (CVE-2023-4863), bypass authentication (CVE-2026-16436 and CVE-2026-16437), or perform arbitrary operations (CVE-2026-16438), resulting in...
What does it mean to be "blue collar" for the blue team? Ryan Fetterman discusses the realities of detection engineering, and shares his philosophy on building a career in security without burning out.
As the news from last week has settled down, it would seem this headline was pretty spot on. The foretold apocalypse didn't eventuate, and there were no internet-destroying outages. In fact, it took days before I could find a single story of PHP2Shell...
This vulnerability allows remote attackers to disclose sensitive information on affected installations of MailEnable. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.9. The following CVEs are assigned:...
This vulnerability allows remote attackers to disclose sensitive information on affected installations of MailEnable. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.5. The following CVEs are assigned:...
A configuration mismatch in GLM 5.3 on Workers AI triggered an SGLang bug that exposed KV cache pages across requests. Here is how we addressed the issue.
In this edition of Between Two Nerds Tom Uren and The Grugq talk about security culture. The PHP foundation seems to have had a change of heart about security, but what are the chances that OpenAI or other frontier AI labs will start to take it seriously?...
For the latest discoveries in cyber research for the week of 26th October, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Japanese cloud hosting provider Onamae Desktop Cloud has confirmed a cyberattack in which intruders...
Here's the lowdown on CVE-2026-109618 and CVE-2026-109619, as well as what website owners and IT teams should do to stay safe – all in a little more than two minutes
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog and updated the PHP Alert, Critical Vulnerabilities in PHP Require Immediate Patching : CVE-2026-109618 – PHP Memory Corruption Vulnerability CVE-2026-109619 – PHP...
While everyone was distracted by PHP, another RCE has been wrecking the internet, Australia’s ABC wipes some staff devices, a third PHP RCE is incoming and researchers discover a new DDoS attack vector in HTTP/3. Show notes Risky Bulletin: While everyone...
In this Risky Business sponsored interview James Wilson chats to Nebulock’s Head of Detection Strategy Alex Hurtado about the company’s threat hunting evaluation framework, GATES. The pair talk through the five steps of Nebulock’s new acronym, and how they...
Naive byte-range caching can waste gigabytes of origin bandwidth on small requests. We rebuilt our cache architecture in Pingora to coordinate partial fetches automatically, cutting R2 p99 latency in half.
Cloudflare's new post-quantum GeoKey Manager protects geographically fenced decryption keys from harvest now, decrypt later attacks. Learn how we redesigned our cryptography stack to support strict data sovereignty in a post-quantum world.
Key Points Introduction Infostealers commonly target browser passwords, session cookies, and cryptocurrency wallets. This malware combines those established capabilities with dedicated collection routines for AI applications and development tools. Its...
The AfD has confirmed that hackers breached its hosting provider. A leak site now claims to offer 421,179 of the party’s internal emails, and shows AI-written summaries rather than the emails themselves. Read more in my article on the Hot for Security blog.
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-110447 Collabora Online – Built-in CODE Server OS Command Injection Vulnerability This type of vulnerability is a...
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-114625 Arista VeloCloud Orchestrator SQL Injection Vulnerability This type of vulnerability is a frequent attack...
A ransomware group used a supply chain compromise to hack around 40 shipping companies, the Pentagon assembles a technology sabotage unit, PHP2Shell exploitation gets underway and GoDaddy revokes 400,000 certs. Show notes Risky Bulletin: Supply chain...
The Earth is speeding up, the leap second is being abolished, oh, and there's critical vulnerabilities in PHP.
Eight compromised eMudhra intermediate CA private keys risk unauthorized TLS signing and MitM interception. Read our analysis and containment guide. The post EMudhra Intermediate CA Certificates Compromised appeared first on Unit 42 .
Unit 42 explores modern OAuth threats and actionable steps organizations can take to protect their environments. The post The Current Landscape of OAuth Attacks appeared first on Unit 42 .
Cloudflare has achieved South Korea's ISMS certification following an audit across 80 controls. Learn how we localized user consent flows, adapted social sign-up paths at the edge, and validated our global security program.
View CSAF Summary The products listed below contain an out-of-bounds read vulnerability that could allow an attacker to cause abnormal product behavior, instability, or denial of service. Siemens has released a new version for Capital Embedded AR Classic...
View CSAF Summary SIMATIC S7-1500 devices contain multiple vulnerabilities in the web server that could allow an attacker to execute malicious code in an authorized user’s browser session and perform PLC operations within the scope of that user’s...
View CSAF Summary Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1.1. Siemens is preparing fixes and recommends specific mitigations for products where fixes are not or not yet...
View CSAF Summary Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.7 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fixes and recommends specific...