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Lindsey O’Donnell Welch

@lindseyodwelch.bsky.social
366 followers 156 following 67 posts

Cybersecurity writer

PostsRepliesMedia
Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 29/06/2026
There's a lot more to cybersecurity than just finding and fixing more and more bugs. @k8em0.bsky.social knows.
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Decipher @deciphersec.bsky.social · 05/12/2025
"Communications networks are large, complex, and they require significant measures to be taken to secure them. So without some sort of accountability regime, we don’t really know what they’re doing, how effective it is, or how widespread those measures will be.” decipher.sc/2025/12/04/g...
decipher.sc
Government, Private Sector Officials Mull Telecom Security Woes - Decipher
A year after Salt Typhoon's telecom hack, private and public sector officials discussed next steps.
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Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 17/10/2025
Why WarGames is Still Predicting the Future 40 Years Later decipher.sc/2025/10/17/w... #decipher #deciphersec
decipher.sc
Why WarGames is Still Predicting the Future 40 Years Later - Decipher
WarGames may be 42 years old but its prescience about our current technocracy and race to take humans out of the loop is as clear as ever
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 16/10/2025
🕺🏽🕺🏽🕺🏽
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Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 12/09/2025
Catch up on all the week's security news, including the NPM package compromises, the Wyden letter to the FTC, and the new Apple memory safety push, in our latest podcast episode. decipher.sc/videos/npm-p...
decipher.sc
NPM Package Compromises, Sen. Wyden’s Ransomware Letter, and Apple’s Memory Safety Advance
Dennis and Lindsey discuss the targeted compromises of NPM packages (1:00) and the pointed letter that Sen. Ron Wyden sent to the FTC chairman asking for Mic...
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Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 04/09/2025
When we launched in 2018, the first piece on the site was part one of our four-part oral history of the L0pht. We were able to rescue that series from the archives. Here's that first part again. Enjoy! decipher.sc/2025/07/24/w...
decipher.sc
‘We Got to Be Cool About This‘: An Oral History of the LØpht, Part 1 - Decipher
In the beginning, there was a hat factory. Factory is probably too grand a word for it, but the space that would eventually become the first home of L0p...
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Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 05/09/2025
New pod! We talked through the Salesloft fallout, the potential for a long tail from the incident, and a new shared vision on SBOM from CISA, NSA, and many foreign gov cyber agencies. youtu.be/HCxV7Fsh7v0?...
youtu.be
The Salesloft Drift Fallout and SBOM Guidance From CISA and NSA
YouTube video by Decipher
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 05/09/2025
So much of what was said here still rings true 10 years later
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Reposted by Lindsey O’Donnell Welch
Decipher @deciphersec.bsky.social · 04/09/2025
“The federal judiciary has repeatedly proven itself incapable of protecting the highly sensitive and confidential information with which it has been entrusted." @wyden.senate.gov decipher.sc/2025/09/03/w...
decipher.sc
Wyden Slams Federal Judiciary After Court Hack - Decipher
In a scathing letter, Sen. Ron Wyden (D-Ore.) blasted the federal judiciary for its handling of a (second) hack of the federal courts’ case management system...
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Dennis @dennisf.bsky.social · 02/09/2025
365 days since our last podcast episode, me and @lindseyodwelch.bsky.social are back and so is @deciphersec.bsky.social! Join us! We have lots of cool stuff on the way.
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Decipher @deciphersec.bsky.social · 02/09/2025
Hello friends! We're very excited to let you know.... WE ARE BACK! Our first video and podcast is live now, and our new site is live as well. Please have a look, share, and follow us wherever you find fine internet content! youtu.be/2cg7ljpvzdg?...
youtu.be
Decipher Lives!
YouTube video by Decipher
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J Wolfgang Goerlich @jwgoerlich.bsky.social · 25/06/2025
Invisible until it breaks: The risk of cutting costs and undervaluing cybersecurity www.fastcompany.com/91352486/inv...
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Reposted by Lindsey O’Donnell Welch
evacide @evacide.bsky.social · 20/06/2025
Government internet shutdowns are quite common to silence dissent, but I think this is the first time that a government has shut down the internet in its own country as a defensive measure against cyberattacks.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 17/06/2025
I didn’t know the depths to which Twitter could go in it’s unhinged dumpster fire cesspool-ness, but it surpassed my expectations this month
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 17/06/2025
First time getting warm+butter as a New Englander used to cold+mayo. It was eye opening
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 13/06/2025
Everyone needs a cybersecurity guy
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 15/05/2025
Missed this week's @huntress.com Tradecraft Tuesday episode on infostealers? You can catch up on YouTube⤵️ www.youtube.com/live/pzjzdeA...
youtube.com
Tradecraft Tuesday | Infostealers: A Crash Course
YouTube video by Huntress
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 10/05/2025
Post-exploitation activities observed stemming from the Samsung MagicINFO 9 Server flaw, in a nutshell: www.huntress.com/blog/post-ex...
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 08/05/2025
A win is a win
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 07/05/2025
🎉 May Tradecraft Tuesday 🎉 Excited to talk about infostealers next week with Greg Linares as part of the @huntress.com May Tradecraft Tuesday.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 06/05/2025
I’m a big believer that the worst of human nature comes out in two places: on social media and on roundabouts
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 06/05/2025
Tech these days
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Reposted by Lindsey O’Donnell Welch
SwiftOnSecurity @swiftonsecurity.com · 23/04/2025
You have unlocked visual derision Taylor
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 23/04/2025
Went to the #DBIR for the footnotes. Was not disappointed.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 23/04/2025
Some good takeaways from @huntress.com’s recent Tradecraft Tuesday ft. Patrick Wardle: -The impact of Apple bringing TCC events to Endpoint Security -#Mac malware persistence techniques vs BTM -Security alert inundation for #macOS users Catch up here⤵️ www.huntress.com/blog/say-hel...
huntress.com
Say Hello to Mac Malware | Huntress
In this month’s Tradecraft Tuesday, we talked about how threat actors are finetuning their macOS malware in order to maintain persistent access and avoid detection by Apple’s security features.
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Reposted by Lindsey O’Donnell Welch
Cynthia Brumfield @metacurity.com · 23/04/2025
So a ransomware attack on the federal public defender's office in Phoenix has delayed the trial of Donald Day, Jr, who is accused of inciting the unprecedented fundamentalist Christian terrorist attack in Wieambilla, Australia, in 2022. www.azfamily.com/2025/04/23/t...
azfamily.com
Trial delayed after ransomware attack on public defender’s office in Phoenix
At least one trial has been delayed after a ransomware attack hit the federal public defender’s office in Phoenix, which provides counsel to defendants in federal court.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 18/04/2025
What’s the going rate for the tooth fairy these days?
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 05/04/2025
Post-exploitation activity we found for *that* critical-severity CrushFTP flaw: -MeshAgent installs ➡️ non admin users to local administrators groups -AnyDesk RMM installs ➡️ credential harvesting -Telegram bot malware 🤖
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Matt Johansen @mattjay.com · 04/04/2025
👀 woah... Google announces Sec-Gemini v1, a new experimental cybersecurity model security.googleblog....
security.googleblog.com
Google announces Sec-Gemini v1, a new experimental cybersecurity model
Posted by Elie Burzstein and Marianna Tishchenko, Sec-Gemini team Today, we’re announcing Sec-Gemini v1, a new experimental AI model focused...
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John Chen @johnchen.com.au · 29/03/2025
hear hear
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Reposted by Lindsey O’Donnell Welch
The Shadowserver Foundation @shadowserver.bsky.social · 27/03/2025
For the last few days we are also scanning & reporting out exposed Ingress NGINX Controller for Kubernetes (Admission Controller feature). These may possibly be also vulnerable to CVE-2025-1974 & other recently disclosed vulnerabilities. We see around 4000 IPs exposed.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 27/03/2025
Parenthood is judging people for sending their kids to daycare with a cough, and then sending your kid to daycare with a cough the next day
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 16/03/2025
Pi day was Friday and St. Patrick’s day is Monday… therefore I made Shepard’s Pie
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Fahmida Y Rashid @fyrashid.bsky.social · 12/03/2025
a cybersecurity bracket looking at red team tools? Count me in.
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Reposted by Lindsey O’Donnell Welch
Bishop Fox @bishopfox.bsky.social · 12/03/2025
🚨 The 2025 Ultimate Red Team Tool Showdown is here! 🚨 We’re putting the top offensive security tools head-to-head, but only ONE will take the crown. And it’s all up to YOU! Check out the full bracket & cast your votes: bishopfox.com/redteam-tool...
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Reposted by Lindsey O’Donnell Welch
Andy Greenberg @agreenberg.bsky.social · 06/03/2025
Garantex, a major Russian cashout point for dirty cryptocurrency of all kinds in recent years, is currently down with a law enforcement seizure notice.
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 28/02/2025
The only good thing about Zero Day on Netflix is that I got to explain to my husband what a zero-day flaw is
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 25/02/2025
Smishers be smishing.
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Reposted by Lindsey O’Donnell Welch
Catalin Cimpanu @campuscodi.risky.biz · 25/02/2025
The FTC emailed almost 3.7 million Avast customers who bought the company's antivirus and are now entitled to refunds due to the company illegally selling their data. Claim it quick before Musk takes this FTC division down 🤣 www.ftc.gov/news-events/...
ftc.gov
FTC Announces Refund Claims Process for Avast Customers Impacted by Deceptive Privacy Claims
The Federal Trade Commission is sending claim forms to consumers who bought deceptively marketed antivirus software from Avast.
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Dennis @dennisf.bsky.social · 25/02/2025
Is this still gonna happen? www.fcc.gov/CyberTrustMark
fcc.gov
U.S. Cyber Trust Mark
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 25/02/2025
Highly do not recommend running 13.1 miles after couch potato-ing for 3 months
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Lindsey O’Donnell Welch @lindseyodwelch.bsky.social · 24/02/2025
New Englanders emerging from their homes when the weather reaches 40 degrees
media.tenor.com
a polar bear cub is laying in a pile of hay
ALT: a polar bear cub is laying in a pile of hay
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Reposted by Lindsey O’Donnell Welch
lodrina.bsky.social @lodrina.bsky.social · 21/02/2025
Boston, whatcha up to March 1-2?
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Matt Johansen @mattjay.com · 20/02/2025
Ai broke hiring. From chatgpt answer generators to North Korean spies. Gonna get worse before it gets better. youtu.be/oLnX9ZfzAv4?...
youtu.be
ai broke hiring.
YouTube video by Matt Johansen
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Reposted by Lindsey O’Donnell Welch
Dennis @dennisf.bsky.social · 20/02/2025
Decipher forever and ever
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Reposted by Lindsey O’Donnell Welch
Beau Woods @beauwoods.com · 20/02/2025
One year on, what systemic fixes have been undertaken by whom. - Last I heard, most industry groups are cool with things as is - HHS seemed like they might try to step up, but didn't - CISA went quiet on helping healthcare after the COVID Task Force was disbanded - A few Congressional proposals
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