SMTP is the key: BPFDoor and AVERAT hitting the network edge
Overview Rapid7 tracked a set of Linux samples that blend into the software and device conventions of the telecom environments they target. The set spans a newly observed BPFDoor variant, a BPF Rekoobe build seen against South Korean targets, a dropper, and six builds of a Linux implant we track as AVERAT , deployed against Taiwanese appliances. Additionally, we provide source code details of the…
Read the full story on Rapid7 BlogHave you worked with this?
The story is what was announced. Nobody has discussed it yet, so if it touches your team, a short post about what you’ve seen helps the next reader.
More from Rapid7
Recent updates from Rapid7, so you can tell whether this is a one-off or part of a pattern.
How AI Is Changing the Roles Required in the Security Operations Center
As AI takes on more of the enrichment, correlation, and initial assessment inside the SOC, roles, skills, and KPIs still require deliberate redesign. Security leaders need to decide where automation is dependable, where human judgment should remain decisive, and how teams should be measured when alert handling is no longer the center of the operating model The Gartner® report, The Roles Required…
Critical Cisco Catalyst SD-WAN Manager API authentication bypass exploited in the wild (CVE-2026-76504)
Overview On September 30, 2026, Cisco published a security advisory for CVE-2026-76504 , a critical API authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Manager. The vulnerability has a CVSSv3.1 score of 9.8 and results from improper handling of URL encoding ( CWE-177 ). An unauthenticated, remote attacker can send a crafted HTTP request that bypasses an authentication rule for…
Higher education is under siege, and fragmented security is making it harder to respond
Higher education faces a difficult security equation. Universities hold large volumes of sensitive student, financial, health, and research data while supporting open networks, distributed users, legacy infrastructure, and increasingly complex cloud environments. Attackers have taken notice, and the pressure on security teams continues to grow. In Q2 2025, universities faced an average of 4,388…
More in Security
What other companies in Security are doing. The category page shows who’s active, side by side.
Threat Actors Use Google Ads To Target Ledger Users
In August 2026, Zscaler ThreatLabz analyzed a phishing campaign that used fraudulent Google ads to target Ledger hardware wallet users. The ads redirected users through Google Cloud Storage and Vercel to a Google Sites page containing a phishing page impersonating Ledger in an iframe. During our analysis, the Vercel redirect appeared to change every 15-20 minutes. There, a fake…
Using AI to chart a course for our post-quantum migration
We’re building CryptoLabe, an internal AI-powered tool that discovers cryptography across our codebase, surfaces dependencies, and helps us progress toward a full post-quantum migration by 2029. Here’s what we’ve learned so far.
Streamline: custom video pipelines with Cloudflare Stream and Workers
Streamline demonstrates how to build long-running, continuous video processing pipelines by pairing Cloudflare Workers and Durable Objects with a containerized media engine.
Introducing Web Search API via AI Gateway
Cloudflare AI Gateway now supports native web search API integration in partnership with Ceramic.ai, Exa, and Linkup. Developers can now inject real-time web context into model inference calls via AI Gateway, REST APIs, or Workers bindings.