“Already at school in the mid 80th Johannes was a computer geek. I joined advanced placement courses in mathematics and physics with him.”
About
As the Dean of Research at SANS Technology Institute, I oversee the academic and applied…
Activity
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Atomic MacOS (AMOS) stealer infection https://lnkd.in/gtRnJeps
Atomic MacOS (AMOS) stealer infection https://lnkd.in/gtRnJeps
Shared by Dr. Johannes Ullrich
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Honored! Thanks SANS Technology Institute. #SANSEdu #Cybersecurity #InformationSecurity #MSISE #Cybersecurity
Honored! Thanks SANS Technology Institute. #SANSEdu #Cybersecurity #InformationSecurity #MSISE #Cybersecurity
Liked by Dr. Johannes Ullrich
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I'm excited to share that I've accepted a new role as Director, Business Solutions at SANS Institute! This opportunity allows me to focus on what I…
I'm excited to share that I've accepted a new role as Director, Business Solutions at SANS Institute! This opportunity allows me to focus on what I…
Liked by Dr. Johannes Ullrich
Experience & Education
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SANS Technology Institute
View Dr. Johannes’s full experience
See their title, tenure and more.
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Licenses & Certifications
Volunteer Experience
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Vice President
Preservation SOS
Arts and Culture
http://www.preservationsos.org
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President
DShield.org
Science and Technology
Publications
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Development of the Higher Education Network Analysis (HENA) for Intrusion Detection and Prevention
Presented at NY State Cyber Security Conference
Other authors -
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Internet intrusions: global characteristics and prevalence
ACM SIGMETRICS
Other authors -
Courses
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Defending Web Applications
DEV522
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IPv6 Security Essentials
SEC546
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Intrusion Detection in Depth
SEC503
Honors & Awards
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ISSA President's Award for Public Service 2018
ISSA
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Best Security Podcast
Security Bloggers Network
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Historic Preservation Award
City of Jacksonville
Mobile Web Application for Historic Springfield
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Best Technical Security Blog
Security Bloggers Network
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Best Technical Security Blog
Security Bloggers Network
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Best Paper Award
Usenix
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Top 5 Influential Security Thinkers
SC Magazine
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Top 50 most powerful people in networking
Network World
Languages
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English
Native or bilingual proficiency
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German
Native or bilingual proficiency
Organizations
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GIAC
Advisory Board Member
Recommendations received
4 people have recommended Dr. Johannes
Join now to viewMore activity by Dr. Johannes
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Phishing Campaigns Targeting AI Solutions Providers https://lnkd.in/gZJfpuRf
Phishing Campaigns Targeting AI Solutions Providers https://lnkd.in/gZJfpuRf
Shared by Dr. Johannes Ullrich
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Looking forward to seeing everyone at Hacker Summer Camp next week. Just organized my pot of gold. We're good luck, ya know!
Looking forward to seeing everyone at Hacker Summer Camp next week. Just organized my pot of gold. We're good luck, ya know!
Liked by Dr. Johannes Ullrich
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I’m so excited for the addition of the challenge coin to the SEC401 course. Good luck to the students at Network Security who get the opportunity to…
I’m so excited for the addition of the challenge coin to the SEC401 course. Good luck to the students at Network Security who get the opportunity to…
Liked by Dr. Johannes Ullrich
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zipdump.py: Metadata Encoding https://lnkd.in/gb4tTN3z
zipdump.py: Metadata Encoding https://lnkd.in/gb4tTN3z
Shared by Dr. Johannes Ullrich
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Project NIGHTWATCH; Having fun with the SANS Technology Institute Internet Storm Center internship. Project Nightwatch centralizes multi cloud…
Project NIGHTWATCH; Having fun with the SANS Technology Institute Internet Storm Center internship. Project Nightwatch centralizes multi cloud…
Liked by Dr. Johannes Ullrich
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First, OpenAI breached Huggingface (and others), now Anthropic brags about breaching three (or more?) organizations. This isn't a problem with "too…
First, OpenAI breached Huggingface (and others), now Anthropic brags about breaching three (or more?) organizations. This isn't a problem with "too…
Shared by Dr. Johannes Ullrich
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Daily Internet Storm Center "Stormcast": SANS Stormcast Friday, July 31st, 2026: Pre Botnet Recon; Cisco Backdoor Exploited; Inconsistent Group Chats…
Daily Internet Storm Center "Stormcast": SANS Stormcast Friday, July 31st, 2026: Pre Botnet Recon; Cisco Backdoor Exploited; Inconsistent Group Chats…
Shared by Dr. Johannes Ullrich
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GCIA is finally in the folder after countless months of sleeplessness. Thanks to Eunice Park and SANS Technology Institute ’ SME for your advice and…
GCIA is finally in the folder after countless months of sleeplessness. Thanks to Eunice Park and SANS Technology Institute ’ SME for your advice and…
Liked by Dr. Johannes Ullrich
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Nick (Nicko) Kostopoulos
Vulnerability Intelligence Update: CNNVD’s internal advisory notes that the CNNVD-202503-081 (Ollama “unauthorized access” vulnerability) was reported to the CNNVD on March 3, 2025. CNVD-2025-04094 vulnerability has not yet been assigned a CVE according to my research. Sources: https://lnkd.in/gTyDp5Pk? https://lnkd.in/gPPbEXuV?
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Ian Walters
#CMS continues to fine-tune the #ARCAMPE. This time with some extra guidance on audit log capacity and retention. Coalfire keeps an eye on the changing landscape of compliance in the world of #ACA and #Medicaid 10-year retention seems a long time when compared to #HIPAA (not #HIPPA) requirements (6 years). How are you handling the increase in audit log storage required for compliance? https://lnkd.in/ejgZ4hYE
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