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`Host` header injection

CVSSv3 Score: 4.1 An externally controlled reference to a resource in another sphere vulnerability in multiple products may allow an unauthenticated attacker to poison web caches between the device and the attacker via crafted HTTP requests, where the Host header points to an arbitrary webserver. Revised on 2026-01-07 00:00:00 - Read more

The Dangers of DNS Hijacking

How expired domains and improper DNS management can lead to severe security risks like MitM attacks, fraudulent TLS/SSL certifications, and more. - Read more

Announcing Certificate Profile Selection

We are excited to announce a new extension to Let’s Encrypt’s implementation of the ACME protocol that we are calling “profile selection.” This new feature will allow site operators and ACME clients to opt in to the next evolution of Let’s Encrypt. As of today, the staging environment is advertising a new field in its directory resource: GET /directory HTTP/1.1 HTTP/1.1 200...

Ending OCSP Support in 2025

Earlier this year we announced our intent to provide certificate revocation information exclusively via Certificate Revocation Lists (CRLs), ending support for providing certificate revocation information via the Online Certificate Status Protocol (OCSP). Today we are providing a timeline for ending OCSP services: January 30, 2025 OCSP Must-Staple requests will fail, unless the requesting account has previously issued a certificate containing the...

Finally, a SIEM that gets cloud detection and response

Elastic Security combines CDR with SIEM to deliver crucial context, prioritized threat detection, and rapid response for a more efficient security posture. - Read more

Black Friday Versus The Bots

What can last year’s Black Friday shopping trends teach us about expected attacker behavior during the 2024 holiday shopping season? - Read more

Elastic 8.16: BBQ, LLM observability, protect your cloud assets

Elastic 8.16 includes many high-impact capabilities, including Elastic being the first vector database with BBQ (Better Binary Quantization), LLM observability for Amazon Bedrock, extended cloud security provider integrations, and more. - Read more

Herding Llama 3.1 with Elastic and LM Studio

Learn how to set up Elastic AI Assistant with a locally hosted Meta Llama 3.1 model with LM Studio. - Read more

How to turn data into actionable insights

Turning data into actionable insights allows a company to understand what drives its business and scale more efficiently. Here's how to do that. - Read more

The Cybersecurity Brew Episode 9

Join Jake Haldeman & Gabrielle Hempel for episode 9 of “The Cybersecurity Brew,” a podcast-style webinar series providing expert advice on navigating the ever-changing threat landscape. During this series, our hosts share their thoughts around the latest and most significant cybersecurity headlines that impact you and answer your most pressing questions to help you defend and protect your environment....

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Yarbo Android/iOS Mobile Application and Cloud Infrastructure

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to obtain hard-coded credentials, gain access to telemetry data, and potentially send operational commands...

Check Point VPN Authentication Bypass Vulnerability

What is the Vulnerability? A critical authentication bypass vulnerability, CVE-2026-50751 (CVSS...

CISA tells agencies to patch smarter, not harder — foreshadowing broader industry practice

Security teams’ patching practices have come under intense pressure over the past year, as active exploitation is up, time-to-exploit windows...