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Infostealer malware is targeting Active Directory—are you protected?

Infostealer malware is targeting Active Directory—are you protected? 96 See how real-time…

Petri.comThursday, Oct 22, 2026 at 9:18 AM EasternHubSpot
Petri.comInfostealer malware is targeting Active Directory—are you protected?
Subject
Infostealer malware is targeting Active Directory—are you protected?
Preview text
Infostealer malware is targeting Active Directory—are you protected? 96 See how real-time…
From
partners@petri.com
Sent
Thu Oct 22, 2026, 9:18 AM ET
Sent to
bwwmediagroup.com, petri.com
Size
41 KB
Images
3
Links
5, 3 of them buttons
Subject length
68 characters

Against Petri.com's usual

Sent in the 9 AM hour, which holds 5% of its emails; 46% arrive in the 2 PM hour. The subject is 68 characters; its average is 50.

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
Petri.com <[email protected]>
Subject
Infostealer malware is targeting Active Directory—are you protected?
Date
Thu, 22 Oct 2026 09:18:06 -0400
Message-ID domain
bf52x.hubspotemail.net
Return-Path domain
bf52x.hubspotemail.net
DKIM signature
d=bf52x.hubspotemail.net s=hs1; d=petri.com s=hs1-2512652
Authentication
dkim=pass (bf52x.hubspotemail.net), dkim=pass (petri.com), spf=pass (bf52x.hubspotemail.net), dmarc=pass (petri.com)
List-Unsubscribe
Present, one-click
Feedback-ID sender
HubSpot

Servers it passed through, newest first

  1. from bid47ml.bf52x.hubspotemail.net [158.247.23.75] by our receiving server with ESMTPS

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

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