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@jotunvillur.bsky.social
185 followers 50 following 33 posts

Ultrarunner with a powerlifting problem. Sometimes I do cybersecurity.

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LP @jotunvillur.bsky.social · 13/08/2026
everyone hunts CT logs because that's where the light is good. josh rickard's guest post for @thorcollective.bsky.social argues you're arriving late. the data on the earlier window is free and public, and ignored because it looks like nothing dispatch.thorcollective.com/p/open-seaso... #infosec
dispatch.thorcollective.com
Open Season: CZDS
What up nerds?
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LP @jotunvillur.bsky.social · 02/07/2026
there's one question that separates the work you should hand to AI without guilt from the work you should never give up. most people are answering it wrong every day, without knowing it was asked. which side are you on? you probably can't tell yet: dispatch.thorcollective.com/p/keep-the-t...
dispatch.thorcollective.com
Keep the Tension That Builds You
In the age of AI, the work worth keeping is the work that lets you catch the machine when it's wrong.
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LP @jotunvillur.bsky.social · 28/04/2026
the vercel breach started with a stolen oauth token from a vendor's laptop. the attacker never phished anyone. your environment has the same pattern. @thorcollective.bsky.social wrote four hunts to find it 👇 dispatch.thorcollective.com/p/hunting-th... #thorcollective #threathunting #cybersecurity
dispatch.thorcollective.com
Hunting the Infostealer-to-SaaS Pipeline: When Third-Party Trust Becomes Lateral Movement
Your vendors have OAuth tokens to your environment. Do you know who else does?
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sydney @letswastetime.bsky.social · 02/10/2025
Threat hunting falls apart when your “docs” live in Slack threads. Part 2 of the @thorcollective.bsky.social Dispatch Agentic Threat Hunting series covers the first step to scaling: put your hunts in a GitHub repo and give your AI bestie memory. dispatch.thorcollective.com/p/agentic-th...
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LP @jotunvillur.bsky.social · 01/10/2025
We at @thorcollective.bsky.social are waking you up before September ends, because a new Ask-a-Thrunt3r episode just dropped with: 2K subscriber milestone 🎉 15 baseline examples The great data vs. data debate Plus: Is Git the future of hunting collab? 🎧: dispatch.thorcollective.com/p/ask-a-thru...
dispatch.thorcollective.com
Ask-a-Thrunt3r: September 2025 Recap 🐏
Mainly ramblings. And maybe some wisdom.
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LP @jotunvillur.bsky.social · 23/09/2025
You can’t find weird if you don’t know normal. @thorcollective.bsky.social just dropped 10 baseline hunts you can shine in the dark parts of your env and magnify the adversaries from the noise. Join us for all the thrunting 👉: open.substack.com/pub/thorcoll... #threathunting #infosec
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sydney @letswastetime.bsky.social · 16/09/2025
Cybersecurity needs more than hackers in hoodies. In this week’s @thorcollective.bsky.social Dispatch, Courtney Shar shares how project management skills like risk alignment, process design, and team coordination directly strengthen security programs. 👉 dispatch.thorcollective.com/p/beyond-hac...
dispatch.thorcollective.com
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LP @jotunvillur.bsky.social · 12/09/2025
🚨 Think your browser extensions are harmless? Join @johntuckner.me for @thorcollective.bsky.social and learn how to hunt the dangerous ones before they hunt you: thorcollective.substack.com/p/even-if-ma... #cybersecurity #infosec #threathunting #thrunting
thorcollective.substack.com
Even if many plugins are fine, the bad ones are BAD
Sydney recently wrote a great piece about extensions and hunting for IDE plugins.
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tuckner @johntuckner.me · 12/09/2025
Not subscribed to the THOR Collective Dispatch yet? You might've missed my guest piece on hunting for bad browser extensions. Check if the extension your CFO installed to change text to Comic Sans is also taking screenshots of his Salesforce reports. dispatch.thorcollective.com/p/even-if-ma...
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LP @jotunvillur.bsky.social · 09/09/2025
📻 Ask a Thrunt3r August is here! DEF CON wisdom unlocked: 🔓 Why your SecOps model isn't working anymore 🎯 Supply chain attacks via AI coding tools 🛠️ One tool @THOR_Collective wishes you knew about (hint: it's Sliver) dispatch.thorcollective.com/p/ask-a-thru... #threathunting #cybersecurity
dispatch.thorcollective.com
Ask-a-Thrunt3r: August 2025 Recap 🐏
Mainly ramblings. And maybe some wisdom.
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tuckner @johntuckner.me · 07/09/2025
Six malicious extensions listed in Cursor and hosted on Open VSX. All are squatting on other packages and are showing above the safe versions they target.
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Ben Goerz @bengoerz.bsky.social · 09/08/2025
If you are around DEF CON today, join me at 5pm for “Sh*t Show Triage: An Honest Panel on Incident Response” btv-dc33.sessionize.com/session/966539
btv-dc33.sessionize.com
Sh*t Show Triage: An Honest Panel on Incident Response
You can start with the best intentions, solid tools, and all the right policies, but what happens when your network moves from “effing around” straight into “finding out”? Join a panel of variously tr...
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THOR Collective @thorcollective.bsky.social · 04/08/2025
Shoutout to our fam Elipscion, who's spinning live at DEF CON 33 this Friday at 8pm on the DEF CON stage. 🎧 Listen here: open.spotify.com/artist/2tgPZ... 🔥 Join our @thorcollective.bsky.social meetup during his set. Say hi, talk hunts, and grab some free swag. See you there!
open.spotify.com
ELIPSCION
Artist · 10 monthly listeners.
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archwisp @archwisp.bsky.social · 03/08/2025
Oh hey! Did I mention I’m speaking on Saturday? I’ll be in track 1 at 2:30! defcon.org/html/defcon-...
defcon.org
DEF CON® Hacking Conference - Speakers
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sydney @letswastetime.bsky.social · 31/07/2025
🌵 Calm before the Hacker Summer Camp storm. July’s Dispatch Debrief is light on posts, heavy on hot takes — from agentic AI to making pentest findings sting. Catch up before Vegas 👉 dispatch.thorcollective.com/p/dispatch-d...
dispatch.thorcollective.com
Dispatch Debrief: July 2025
Consider this the calm before the Hacker Summer Camp storm.
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sydney @letswastetime.bsky.social · 27/07/2025
Threat hunting is broken. We can’t out-query adversaries who automate everything. Enter the agentic threat hunter. An AI that thinks, hypothesizes, investigates, and scales. In the latest @thorcollective.bsky.social Dispatch, we explore this shift: 📌 dispatch.thorcollective.com/p/the-agenti...
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Ann Johnson @ajohnsocyber.bsky.social · 20/07/2025
msrc.microsoft.com/blog/2025/07... Microsoft is aware of active attacks targeting on-premises SharePoint Server customers. The attacks are exploiting a variant of CVE-2025-49706. This vulnerability has been assigned CVE-2025-53770. SharePoint Online in Microsoft 365 is not impacted
msrc.microsoft.com
Customer guidance for SharePoint vulnerability CVE-2025-53770 | MSRC Blog | Microsoft Security Response Center
Customer guidance for SharePoint vulnerability CVE-2025-53770
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sydney @letswastetime.bsky.social · 03/07/2025
THRUNTING isn’t just a buzzword. It’s a mindset. 🐑 Inspired by Tim Peters’ 19 aphorisms for Python, @thorcollective.bsky.social Dispatch introduces "The Zen of Thrunting." dispatch.thorcollective.com/p/the-zen-of... Stay curious. Happy thrunting.
dispatch.thorcollective.com
The Zen of Thrunting
Abstract
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sydney @letswastetime.bsky.social · 24/06/2025
🔌 That browser extension? That IDE plugin? Might not be doing what you think. New on @thorcollective.bsky.social Dispatch: five hunt ideas + a PEAK deep dive into sneaky plugin abuse. Start with visibility. Hunt what blends in. 📖 dispatch.thorcollective.com/p/your-plugi...
dispatch.thorcollective.com
Your Plugins and Extensions Are (Probably) Fine. Hunt Them Anyway.
Five hunt ideas (and one deep dive) for abuse hiding in plain sight.
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sydney @letswastetime.bsky.social · 19/06/2025
New guest post on thorcollective.bsky.social Dispatch from infosecsherpa.bsky.social: Don’t Let Mis(s) Information Take the Crown 👑 This post shows how to apply the Intelligence Cycle to news and help you filter bias. Read it here: dispatch.thorcollective.com/p/dont-let-m...
dispatch.thorcollective.com
Don't Let Mis(s) Information Take the Crown
Sherpa Intelligence: Your Guide Up a Mountain of Information!
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LP @jotunvillur.bsky.social · 10/06/2025
⚡ New @thorcollective.bsky.social Dispatch drop No hallucinations here. Just TTPs that quietly defined Q1 2025. 🔐 OAuth abuse 📦 Malicious packages 🖥️ SimpleHelp RMM exploits Stay ahead with what to hunt & where to look. 👉 dispatch.thorcollective.com/p/from-the-f... #THORCollective #threathunting
dispatch.thorcollective.com
From the Fire: Q1FY25
TTPs that sparked, spread, and still burn for those paying attention.
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LP @jotunvillur.bsky.social · 27/05/2025
✨ New THOR Collective post ✨ Introducing Threat Hunting Relevancy Factors (THRF!) These factors can help you create relevant hunts and tangible impact for your organization. Show your business that you mean bzns. 📈 Join us at 👉: dispatch.thorcollective.com/p/threat-hun... #threathunting
dispatch.thorcollective.com
Making Your Hunts Matter: Introducing Threat Hunting Relevancy Factors
Don’t just hunt, hunt with purpose.
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THOR Collective @thorcollective.bsky.social · 22/05/2025
🐏 Ask a Thrunter AMA + Giveaway! Join @thorcollective.bsky.social live next THORsday, May 29th @ 7pm PT in Discord. We’ve got a special announcement + we’ll reveal the monthly giveaway winner (all paid Dispatch subscribers automatically entered!). Submit your questions early👇
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sydney @letswastetime.bsky.social · 22/05/2025
Introverts rewrite detection rules repeatedly, while extroverts demo them mid-draft. In cybersecurity, you need both. Today's @thorcollective.bsky.social Dispatch features Alex Hurtado, highlighting how embracing differences strengthens SOC teams. 👉 : dispatch.thorcollective.com/p/quiet-loud...
dispatch.thorcollective.com
Quiet, Loud, and in the Logfiles: The Detection Duo You Didn’t Know You Needed
Filed under: Things your agent can’t do but Linda from SecOps does without breaking a sweat.
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LP @jotunvillur.bsky.social · 16/05/2025
Sierra Ferrell, yeehaw! 🤠
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drterdnugget.bsky.social @drterdnugget.bsky.social · 15/05/2025
🚨 New guest drop on @THOR_Collective Dispatch! 🚨 "Exploring Cybersecurity Career Paths and How They Work Together" by Audra Streetman Whether you're into offense, intel, or cyber defense, there's a path for you! Read it here: dispatch.thorcollective.com/p/exploring-...
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sydney @letswastetime.bsky.social · 08/05/2025
💡 New guest drop on @thorcollective.bsky.social Dispatch: "Detection-in-Depth" by Day Johnson. Day covers how to build resilient detection systems that handle real-world challenges, from fine-tuning rules to threat emulation and kill chain coverage. dispatch.thorcollective.com/p/detection-...
dispatch.thorcollective.com
Detection-In-Depth
Eliminating detection blind spots through a multi-layered defense approach
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sydney @letswastetime.bsky.social · 01/05/2025
🔥 Dispatch Debrief: April 2025 is live 🔥 Explore star sign-inspired hunting techniques, organizing your hunt squad, and the value of finding "nothing." Discover this month's insights from @thorcollective.bsky.social Dispatch - dispatch.thorcollective.com/p/april-debr...
dispatch.thorcollective.com
Dispatch Debrief: April 2025
What We Hunted, Learned, and Loved This Month
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sydney @letswastetime.bsky.social · 30/04/2025
Ask-a-Thrunter is live this THORsday, May 1 @ 7pm PDT — paid subscribers only. Join us in the @thorcollective.bsky.social Discord for solid answers, spicy takes, and the April giveaway winner reveal. Drop your questions below. Not subscribed? Replay drops next week. Come thrunt with us 🐏
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Andrew Morris @andrewmorr.is · 24/04/2025
TL;DR - Attackers still use these old ass vulns because they're STILL WORKING www.greynoise.io/blog/greynoi...
greynoise.io
GreyNoise Uncovers Unique Risks From Resurgent Cybersecurity Vulnerabilities
Attackers from every corner of the internet are exploiting a uniquely dangerous class of cyber flaws: resurgent vulnerabilities.
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sydney @letswastetime.bsky.social · 17/04/2025
When incidents hit, how you communicate shapes the outcome. This week’s @thorcollective.bsky.social Dispatch features @audrastreetman.bsky.social, former journalist turned cyber intel analyst. dispatch.thorcollective.com/p/how-commun...
dispatch.thorcollective.com
How Communication Shapes the Outcome of Cybersecurity Incidents
Why the timing and transparency of messaging can make or break your incident response
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LP @jotunvillur.bsky.social · 17/04/2025
This is my final campaign gift to my party and I highly recommend Hieu!
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It's Just Hieu @itsjusthieu.bsky.social · 16/04/2025
Group artwork for a DnD party. Tyranny of Dragons 🐉👿🧙 #illustration #drawing
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drterdnugget.bsky.social @drterdnugget.bsky.social · 15/04/2025
Simulate. Detect. Tune. Repeat dispatch.thorcollective.com/p/simulate-d...
dispatch.thorcollective.com
Simulate. Detect. Tune. Repeat
Purple Teaming with Atomic Red Team and ATT&CK
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sydney @letswastetime.bsky.social · 11/04/2025
@thorcollective.bsky.social Dispatch time! Part 2 is live of @cyb3rhawk.bsky.social's post on the LAYER approach! This discusses using real BlackBasta leak data to guide smarter, more targeted hunts. dispatch.thorcollective.com/p/the-power-...
dispatch.thorcollective.com
The Power of Trio - Part 2
Practical Implementation of the LAYER approach
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LP @jotunvillur.bsky.social · 01/04/2025
✨Did you feel something shift in the universe? It’s a new THOR post.✨ Twelve signs. Twelve threat patterns. One cosmic thrunt shift. Join us for an evidence based article on the zodiac signs as threat hunts. dispatch.thorcollective.com/p/the-threat... #threathunting #thrunting #THORCollective
dispatch.thorcollective.com
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LP @jotunvillur.bsky.social · 17/03/2025
Getting the urge to try a new hobby again. Maybe it’s time for… golf?
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sydney @letswastetime.bsky.social · 11/03/2025
🚨 New Dispatch Drop 🚨 Attackers will get in—just give them time. In this week's @thorcollective.bsky.social Dispatch, we talk why security teams must test their defenses: dispatch.thorcollective.com/p/why-cybers... #threathunting #thrunting #cybersecurity #infosec #purpleteam #THORcollective
dispatch.thorcollective.com
Why Cybersecurity Teams Need to Break Their Own Defenses
If you’re not testing your security, you don’t have security.
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sydney @letswastetime.bsky.social · 04/03/2025
🚨 New THOR Collective Dispatch post 🚨 In Part 5 of @jotunvillur.bsky.social and my DEATHCon Thrunting Workshop series, we use advanced data analysis to find threats in HTTP datasets. Full post here: dispatch.thorcollective.com/p/a-deathcon... #infosec #threathunting #thrunting #THORCollective
dispatch.thorcollective.com
A DEATHCON Thrunting Workshop Overview Part 5: Model-Assisted Threat Hunting (M-ATH)
Machine learning, statistics, and HTTP events…oh my!
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sydney @letswastetime.bsky.social · 20/02/2025
Tired of getting ghosted by endless events? The five-number summary is your threat-hunting sidekick. Check out our latest @thorcollective.bsky.social Dispatch. Join us👉: dispatch.thorcollective.com/p/stop-chasi... #threathunting #thrunting #cybersecurity #mathiscool #THORCollective
dispatch.thorcollective.com
Stop Chasing Ghosts: How Five-Number Summaries Reveal Real Anomalies
Boo. No séance required.
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LP @jotunvillur.bsky.social · 18/02/2025
🚀 THOR Collective Drop! 🚀 We’re back with pt 4 of the thrunting workshop series @letswastetime.bsky.social and I led at DEATHCon! We’re diving into baseline hunting & the fun you’ll find when you shine a light in places you haven’t before. 🔦 Join us at: dispatch.thorcollective.com/p/a-deathcon...
dispatch.thorcollective.com
A DEATHCON Thrunting Workshop Overview Part 4: Baseline Hunting
Detecting normal versus abnormal applications in your environment
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sydney @letswastetime.bsky.social · 11/02/2025
🐘 Let’s address the elephant in the room — #thrunting is a thing now, and it stuck. Why? Because thrunting has that perfect blend of #hacker culture & "I dare you to question this term" energy. 🔥 Keep thrunting. 👉 dispatch.thorcollective.com/p/the-case-f... #threathunting #cybersecurity #infosec
dispatch.thorcollective.com
The Case for Thrunting
Why Thrunting Is Here to Stay
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sydney @letswastetime.bsky.social · 04/02/2025
@thorcollective.bsky.social dropped part two of @jotunvillur.bsky.social and my @deathcon.io workshop blog series on #threathunting with the #PEAK framework. 🎯 Check it out at: dispatch.thorcollective.com/p/a-deathcon... #cybersecurity #thrunting #THORCollective
dispatch.thorcollective.com
A DEATHCON Thrunting Workshop Overview Part 2: Exploring Data Sources
aka index=* 'thrunting'
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sydney @letswastetime.bsky.social · 06/02/2025
🚀 Attention Thrunters!🚀 Part 3 of the DEATHCon thrunting workshop is live! @jotunvillur.bsky.social and I break down a hypothesis-driven scenario step by step. Grab your hammer and sharpen your skills! 🛠️ Read now: dispatch.thorcollective.com/p/a-deathcon... #threathunting #thrunting #cybersecurity
dispatch.thorcollective.com
A DEATHCON Thrunting Workshop Overview Part 3: ⚡ Hypothesis-Driven Threat Hunting
Detecting /etc/passwd File Access and Exfiltration in HTTP Traffic
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LP @jotunvillur.bsky.social · 26/01/2025
@thorcollective.bsky.social dropped a new blog "Helloooooooo, Thrunters!" 😤 It kicks off a series from a workshop @letswastetime.bsky.social and I gave at #DEATHCon on #threathunting with the PEAK framework. Read at: thorcollective.com/helloooooooo... #cybersecurity #thrunting #THORCollective
thorcollective.com
Helloooooooo thrunters 👋
A DEATHCON Thrunting Workshop Overview
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sydney @letswastetime.bsky.social · 26/01/2025
@thorcollective.bsky.social dropped a new blog "Helloooooooo, Thrunters!" 😤 It kicks off a series from a workshop @jotunvillur.bsky.social and I gave at #DEATHCon on #threathunting with the PEAK framework. Start reading: thorcollective.com/helloooooooo... #cybersecurity #thrunting #THORCollective
thorcollective.com
Helloooooooo thrunters 👋
A DEATHCON Thrunting Workshop Overview
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LP @jotunvillur.bsky.social · 11/01/2025
This was such an amazing event. Definitely will be back!
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Hackers on the Hill @hackersonthehill.org · 10/01/2025
Thank you to the dozens of volunteers and ambassadors who helped plan, set up, and run Hackers on the Hill this year, as well as the ~150 hackers who attended and the 20+ staffers who were gracious enough to host us (many on a day their office was officially closed). ❤️ A few special thank yous
Around one hundred cybersecurity researchers and practitioners, and cyber policymakers in the Dirksen Senate Building room 106 for Hackers on the Hill
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tuckner @johntuckner.me · 28/12/2024
Up to 13 confirmed extensions with the same behaviors as Cyberhaven. Right now over 670,000 users with these related extensions installed. Some have been patched, some removed from the web store. Including dates so folks can understand timelines.
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tuckner @johntuckner.me · 27/12/2024
Tracking an additional 8 confirmed extensions with similar attack code to the Cyberhaven incident dating back to July 17th so this is not a single occurrence. Continuing to update here: secureannex.com/blog/cyberha...
secureannex.com
Cyberhaven Extension Compromise
How the Cyberhaven extension was compromised and what it means for your organization.
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