Latest Updates: AI uncovers critical PHP flaws threatening most websites, Tenable vets open source AI agents, Huntress flags RMM as the biggest risk

Preview text: The Security Boulevard Brief — October 22, 2026 WEEK OF OCTOBER 19 – 25, 2026 Weekly…

Thursday, Oct 22, 2026 at 2:30 PM EasternHubSpot

Techstrong GroupLatest Updates: AI uncovers critical PHP flaws threatening most websites, Tenable vets open source AI agents, Huntress flags RMM as the biggest risk

Fit to screenFull size

Latest Updates: AI uncovers critical PHP flaws threatening most
websites, Tenable vets open source AI agents, Huntress flags RMM as the
biggest risk - email from Techstrong Group

Using this email in an article? Credit: Techstrong Group email via They Sent It, with a link to this page. Full-size image

Subject: Latest Updates: AI uncovers critical PHP flaws threatening most websites, Tenable vets open source AI agents, Huntress flags RMM as the biggest risk
Preview text: The Security Boulevard Brief — October 22, 2026 WEEK OF OCTOBER 19 – 25, 2026 Weekly…
From: newsletters@techstronggroup.com
Brand: Techstrong Group
ESP: HubSpot
Sent: Thu Oct 22, 2026, 2:30 PM ET
Size: 52 KB
Images: 6
Links: 21, 2 of them buttons
Subject length: 150 characters

Against Techstrong Group's usual

Sent in the 2 PM hour, which holds 12% of its emails; 16% arrive in the 11 AM hour. The subject is 150 characters; its average is 93.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Security Boulevard Newsletters <[email protected]>
Reply-To: [email protected]
Subject: Latest Updates: AI uncovers critical PHP flaws threatening most websites, Tenable vets open source AI agents, Huntress flags RMM as the biggest risk
Date: Thu, 22 Oct 2026 14:30:29 -0400
Message-ID domain: bf52x.hubspotemail.net
Return-Path domain: bf52x.hubspotemail.net
DKIM signature: d=bf52x.hubspotemail.net s=hs1; d=techstronggroup.com s=hs1-1628905
Authentication: dkim=pass (bf52x.hubspotemail.net), dkim=pass (techstronggroup.com), spf=pass (bf52x.hubspotemail.net), dmarc=pass (techstronggroup.com)
List-Unsubscribe: Present, one-click
Feedback-ID sender: HubSpot

Servers it passed through, newest first

from 4f2poz.bf52x.hubspotemail.net [108.179.154.1] by our receiving server with ESMTPS

Other sending headers (names only): X-HS-Cid, X-Report-Abuse-To

Report this email

Sent just before and after

	Oct 23, 2026 12:20 PM	Latest Updates: Why developers use the platform but don't contribute, access decisions in code cut costs, Google's agent identity deadline
	Oct 23, 2026 10:27 AM	Today's Signal: PyTorch broadens chip support, LiteLLM is hit, Walmart welcomes agents
	Oct 23, 2026 8:00 AM	Smarter AI, Stronger Security and More Resilient Software
	Oct 22, 2026 2:30 PM	Latest Updates: AI uncovers critical PHP flaws threatening most websites, Tenable vets open source AI agents, Huntress flags RMM as the biggest risk (this email)
	Oct 22, 2026 2:04 PM	Strengthen Cloud Resilience, Accelerate Delivery and Scale AI Modernization
	Oct 22, 2026 1:28 PM	Latest Updates: Harness puts policies on AI costs, Anthropic eyes a $2 trillion valuation, Couchbase widens its data plane for AI
	Oct 22, 2026 11:42 AM	Today's Signal: OpenAI joins Google Cloud, COBOL tests improve, llm-d ships