Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.com
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
Charlie Gerard @devdevcharlie.com Senior research engineer 🧪 in cybersecurity, author about ML in JS, and creative technologist. Making weird things in JavaScript (mostly)
https://charliegerard.dev
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Piotr Bazydło @chudypb.bsky.social Principal Vulnerability Researcher at the watchTowr | Previously: @thezdi | https://chudypb.github.io
Microsoft Security Response Center @msrc.microsoft.com We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit http://microsoft.com/en-us/msrc.
metlstorm @metlstorm.risky.biz Unix berserker, retired hacker-con organiser (Kiwicon!) and now technology-editor-slash-sysadmin-janitor at Risky.biz.
Was @metlstorm on Twitter, am metlstorm@infosec.exchange on Masto. 
Have I Been Pwned @haveibeenpwned.com Check if you have an email address or password that has been compromised in a data breach. Created and maintained by
@troyhunt.com.
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
Patrick Gray @patrick.risky.biz https://risky.biz/
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
Alex Lanstein @lanstein.bsky.social threaty threats -- helping build research workflows into a soc product, but I don't speak for them on this acct. pretty good at bash scripts and strings. disclosures on my linkedin below
https://www.linkedin.com/in/alexlanstein/
NetBlocks @netblocks.org The Internet's Observatory: Tracking cybersecurity and digital governance • connectivity and democracy • tools and policy for change • https://netblocks.org
The Verge @theverge.com Covering life in the future
Subscribe here: https://www.theverge.com/subscribe
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
BleepingComputer @bleepingcomputer.com Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
Raffaele Sabato @syrion89.bsky.social macOS Detection Engineer at SentinelOne.
Offensive Security, Malware, Reverse Engineering and Apple Security.
Opinions are my own.
https://syrion.me
SentinelLABS @sentinellabs.bsky.social We are the Threat Intelligence and Malware Analysis team of
@sentinelone.com
https://sentinellabs.com
https://labscon.io
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Volexity @volexity.com Volexity is a cybersecurity firm founded by the pioneers of memory forensics. Volexity delivers transformative solutions & services to governments & organizations worldwide, increasing enterprise visibility & facilitating rapid intrusion detection.
Volatility @volatilityfoundation.org Official account of the Volatility Memory Analysis Project and Windows Malware and Memory Forensics Training. http://volatilityfoundation.org
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
ThinkstCanary @thinkstcanary.canary.tools Know. When it matters.
https://canary.tools
Security Onion @securityonion.bsky.social By defenders. For defenders.
Peel back the layers of your network and make your adversaries cry.
https://www.securityonion.com
Graylog @graylog.bsky.social 🌍 Trusted Threat Detection & Incident Response solutions. Experience the difference with our unmatched capabilities. #SIEM #APISecurity #LogManagement #InfoSec
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Tom Warren @tomwarren.co.uk Senior Correspondent @theverge.com ║ Sign up to Notepad, my weekly newsletter on Microsoft's big bets at http://theverge.com/notepad ║ Tips? msg me on Signal: tomwarren.01
Nasreddine Bencherchali @nasbench.bsky.social Detection @Splunk | previously @nextronsystems | @sigma_hq & @magicswordio maintainer | Eternal Learner
ThreatInsight @threatinsight.proofpoint.com Proofpoint's insights on targeted attacks and the cybersecurity threat landscape.
SentinelOne @sentinelone.com The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
StrikeReady Labs @strikereadylabs.com https://strikeready.com/blog.html
Download live malware samples mentioned here: https://github.com/StrikeReady-Inc/samples
If you prefer marketing (our product is great!) subscribe to our main page @strikeready.com
Team Cymru - S2 Threat Research @teamcymrus2.bsky.social Follow us for the latest blogs and IOCs from Team Cymru's S2 Threat Research team.
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app