WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1

Preview text: WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1 96 Hi Friend, Join…

Friday, Aug 7, 2026 at 12:57 PM EasternHubSpot

ProCircular SOCWEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1

Image not available

No image available for this email.

Subject: WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1
Preview text: WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1 96 Hi Friend, Join…
From: aroethler@procircular.com
Brand: ProCircular SOC
ESP: HubSpot
Sent: Fri Aug 7, 2026, 12:57 PM ET
Sent to: blog.procircular.com, procircular.com
Size: 23 KB
Images: 1
Links: 3, 1 of them buttons
Subject length: 70 characters

Against ProCircular SOC's usual

Sent in the 12 PM hour, which holds 5% of its emails; 45% arrive in the 9 AM hour. The subject is 70 characters; its average is 53.

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: Andy Roethler <[email protected]>
Reply-To: [email protected]
Subject: WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1
Date: Fri, 7 Aug 2026 11:57:48 -0500
Message-ID domain: bf06x.hubspotemail.net
Return-Path domain: bf06x.hubspotemail.net
DKIM signature: d=bf06x.hubspotemail.net s=hs2; d=procircular.com s=hs2
List-Unsubscribe: Present, one-click
Feedback-ID sender: HubSpot

from bid47wr.bf06x.hubspotemail.net [158.247.24.185] by our receiving server with ESMTPS

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

	Aug 14, 2026 5:52 PM	ProCircular Weekly Wrap Up - August 7, 2026
	Aug 14, 2026 10:33 AM	Follow Up: WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1
	Aug 7, 2026 2:13 PM	ProCircular Weekly Wrap Up - August 7, 2026
	Aug 7, 2026 12:57 PM	WEBINAR: ProCircular DEF CON 34 Encore: For Prompt Injection, Press 1 (this email)
	Jul 24, 2026 9:14 AM	ProCircular Weekly Wrap Up - July 24, 2026
	Jul 20, 2026 9:15 AM	ProCircular Weekly Cyber Briefing - July 20, 2026
	Jul 14, 2026 11:29 AM	ProCircular Weekly Cyber Briefing - July 13, 2026