Jasper
@packetjay.bsky.social
Head of CSIRT at G Data Advanced Analytics. Creator of TraceWrangler. Member of the Board of Directors of the #Wireshark Foundation. My thoughts are my own.
Reposted by Jasper
Just getting started with Wireshark?
Check out “Packet Capture 101” from @packetjay.bsky.social, this covers everything you need to know get up and running with Wireshark.
www.youtube.com/watch?v=rWHW...
Want to learn live from experts? Join us at SharkFest'25 EUROPE!
sharkfest.wireshark.org
Check out “Packet Capture 101” from @packetjay.bsky.social, this covers everything you need to know get up and running with Wireshark.
www.youtube.com/watch?v=rWHW...
Want to learn live from experts? Join us at SharkFest'25 EUROPE!
sharkfest.wireshark.org
26: Packet Capture 101 | Learn Wireshark @ SF22US
YouTube video by SharkFest Wireshark Developer and User Conference
www.youtube.com
July 11, 2025 at 2:02 PM
Just getting started with Wireshark?
Check out “Packet Capture 101” from @packetjay.bsky.social, this covers everything you need to know get up and running with Wireshark.
www.youtube.com/watch?v=rWHW...
Want to learn live from experts? Join us at SharkFest'25 EUROPE!
sharkfest.wireshark.org
Check out “Packet Capture 101” from @packetjay.bsky.social, this covers everything you need to know get up and running with Wireshark.
www.youtube.com/watch?v=rWHW...
Want to learn live from experts? Join us at SharkFest'25 EUROPE!
sharkfest.wireshark.org
Reposted by Jasper
Dive deep into #TCP with @packetjay.bsky.social @ SharkFest'25 Europe!
Join the TCP Masterclass & learn to dissect, diagnose + master complex TCP behaviors from one of the best in the field. Whether you're chasing lost packets or tuning performance, this is for you.
sharkfest.wireshark.org/sfeu
Join the TCP Masterclass & learn to dissect, diagnose + master complex TCP behaviors from one of the best in the field. Whether you're chasing lost packets or tuning performance, this is for you.
sharkfest.wireshark.org/sfeu
July 3, 2025 at 5:24 PM
Dive deep into #TCP with @packetjay.bsky.social @ SharkFest'25 Europe!
Join the TCP Masterclass & learn to dissect, diagnose + master complex TCP behaviors from one of the best in the field. Whether you're chasing lost packets or tuning performance, this is for you.
sharkfest.wireshark.org/sfeu
Join the TCP Masterclass & learn to dissect, diagnose + master complex TCP behaviors from one of the best in the field. Whether you're chasing lost packets or tuning performance, this is for you.
sharkfest.wireshark.org/sfeu
The new Wireshark certification is finally here! A lot of work went into this, making sure it's a certification that proves skills as a network analyst and not just knowledge of the UI.
The Wireshark Foundation proudly announces the official Wireshark Certified Analyst (WCA) certification! The WCA is designed so you stand out as a technical engineering powerhouse in the crowded field of IT Professionals.
Learn more: www.wireshark.org/blog/2025-06...
#Wireshark #WCA
Learn more: www.wireshark.org/blog/2025-06...
#Wireshark #WCA
June 2, 2025 at 6:57 PM
The new Wireshark certification is finally here! A lot of work went into this, making sure it's a certification that proves skills as a network analyst and not just knowledge of the UI.
Reposted by Jasper
Level up your TCP troubleshooting skills @ #SharkFest'25 US & EUROPE!
Join renowned expert @packetjay.bsky.social for Pre-Conference Class II: TCP Analysis Masterclass — deep dive into TCP behavior, performance bottlenecks & multi-point capture.
sharkfest.wireshark.org
#Wireshark
Join renowned expert @packetjay.bsky.social for Pre-Conference Class II: TCP Analysis Masterclass — deep dive into TCP behavior, performance bottlenecks & multi-point capture.
sharkfest.wireshark.org
#Wireshark
May 15, 2025 at 2:40 PM
Level up your TCP troubleshooting skills @ #SharkFest'25 US & EUROPE!
Join renowned expert @packetjay.bsky.social for Pre-Conference Class II: TCP Analysis Masterclass — deep dive into TCP behavior, performance bottlenecks & multi-point capture.
sharkfest.wireshark.org
#Wireshark
Join renowned expert @packetjay.bsky.social for Pre-Conference Class II: TCP Analysis Masterclass — deep dive into TCP behavior, performance bottlenecks & multi-point capture.
sharkfest.wireshark.org
#Wireshark
Reposted by Jasper
Master TCP Analysis with @packetjay.bsky.social @ SharkFest!
Join Jasper for a TCP Analysis class during SharkFest'25 US & Europe. Elevate your understanding of TCP connections in complex, multi-tiered environments. This class offers invaluable insights beyond the basics.
sharkfest.wireshark.org
Join Jasper for a TCP Analysis class during SharkFest'25 US & Europe. Elevate your understanding of TCP connections in complex, multi-tiered environments. This class offers invaluable insights beyond the basics.
sharkfest.wireshark.org
April 18, 2025 at 9:36 PM
Master TCP Analysis with @packetjay.bsky.social @ SharkFest!
Join Jasper for a TCP Analysis class during SharkFest'25 US & Europe. Elevate your understanding of TCP connections in complex, multi-tiered environments. This class offers invaluable insights beyond the basics.
sharkfest.wireshark.org
Join Jasper for a TCP Analysis class during SharkFest'25 US & Europe. Elevate your understanding of TCP connections in complex, multi-tiered environments. This class offers invaluable insights beyond the basics.
sharkfest.wireshark.org
Reposted by Jasper
Join us at #sf25us for @packetjay.bsky.social's #TCP Analysis Masterclass on 6/16!
Delve into TCP, from basic concepts to complex scenarios involving multi-point captures for packet loss & timing issues. Elevate your network analysis skills + tackle challenging cases.
sharkfest.wireshark.org/sfus
Delve into TCP, from basic concepts to complex scenarios involving multi-point captures for packet loss & timing issues. Elevate your network analysis skills + tackle challenging cases.
sharkfest.wireshark.org/sfus
March 24, 2025 at 3:57 PM
Join us at #sf25us for @packetjay.bsky.social's #TCP Analysis Masterclass on 6/16!
Delve into TCP, from basic concepts to complex scenarios involving multi-point captures for packet loss & timing issues. Elevate your network analysis skills + tackle challenging cases.
sharkfest.wireshark.org/sfus
Delve into TCP, from basic concepts to complex scenarios involving multi-point captures for packet loss & timing issues. Elevate your network analysis skills + tackle challenging cases.
sharkfest.wireshark.org/sfus
Reposted by Jasper
Time is running out—there’s just over 1 week left to take advantage of early bird pricing for SharkFest’25 US. Register by 3/1 to save & secure your spot at the premier #Wireshark & network analysis conference. Don’t miss this chance to learn from the best—sign up today
sharkfest.wireshark.org/sfus
sharkfest.wireshark.org/sfus
February 20, 2025 at 7:42 PM
Time is running out—there’s just over 1 week left to take advantage of early bird pricing for SharkFest’25 US. Register by 3/1 to save & secure your spot at the premier #Wireshark & network analysis conference. Don’t miss this chance to learn from the best—sign up today
sharkfest.wireshark.org/sfus
sharkfest.wireshark.org/sfus
Reposted by Jasper
Sharpen Your TCP Troubleshooting Skills at #sf25us!
Join @packetjay.bsky.social for the TCP Analysis Masterclass - dive deep into advanced TCP analysis, from detecting packet loss to multi-point capture troubleshooting. Master the complexities of TCP!
sharkfest.wireshark.org/sfus
Join @packetjay.bsky.social for the TCP Analysis Masterclass - dive deep into advanced TCP analysis, from detecting packet loss to multi-point capture troubleshooting. Master the complexities of TCP!
sharkfest.wireshark.org/sfus
February 3, 2025 at 2:54 PM
Sharpen Your TCP Troubleshooting Skills at #sf25us!
Join @packetjay.bsky.social for the TCP Analysis Masterclass - dive deep into advanced TCP analysis, from detecting packet loss to multi-point capture troubleshooting. Master the complexities of TCP!
sharkfest.wireshark.org/sfus
Join @packetjay.bsky.social for the TCP Analysis Masterclass - dive deep into advanced TCP analysis, from detecting packet loss to multi-point capture troubleshooting. Master the complexities of TCP!
sharkfest.wireshark.org/sfus
Reposted by Jasper
Periodic reminder that if you look at packets for a living (or would like to), SharkFest is the place for you! The Next SharkFest US will be in Richmond, VA in June. The next SharkFest EU will be in the fall and we'll announce its location and dates soon.
sharkfest.wireshark.org
sharkfest.wireshark.org
SharkFest, launched in 2008, is a series of annual educational conferences staged in various parts of the globe and focused on sharing knowledge, experience and best practices among the Wireshark developer and user communities.
sharkfest.wireshark.org
January 27, 2025 at 4:44 PM
Periodic reminder that if you look at packets for a living (or would like to), SharkFest is the place for you! The Next SharkFest US will be in Richmond, VA in June. The next SharkFest EU will be in the fall and we'll announce its location and dates soon.
sharkfest.wireshark.org
sharkfest.wireshark.org
Just released a new version of Tracewrangler at www.tracewrangler.com. Some minor bug fixes, and it can now read & write Linux Cooked Capture v2 headers, so those kind of #pcap files can now be sanitized as well. Not a big thing, but I'm slowly getting into coding again it seems...
January 12, 2025 at 9:33 PM
Just released a new version of Tracewrangler at www.tracewrangler.com. Some minor bug fixes, and it can now read & write Linux Cooked Capture v2 headers, so those kind of #pcap files can now be sanitized as well. Not a big thing, but I'm slowly getting into coding again it seems...
Reposted by Jasper
SharkFest'24 EUROPE is coming up next week! Join us for the ultimate Wireshark conference where experts & enthusiasts come together to dive deep into the world of packet analysis.
Find out more & sign up: sharkfest.wireshark.org/sfeu
Find out more & sign up: sharkfest.wireshark.org/sfeu
October 28, 2024 at 5:20 AM
SharkFest'24 EUROPE is coming up next week! Join us for the ultimate Wireshark conference where experts & enthusiasts come together to dive deep into the world of packet analysis.
Find out more & sign up: sharkfest.wireshark.org/sfeu
Find out more & sign up: sharkfest.wireshark.org/sfeu
Reposted by Jasper
Here's a great video for #Wireshark users of all levels talking about Network Troubleshooting from Scratch, taught by @packetjay.bsky.social.
youtu.be/4hMT0kcW39g
For more classes like this in-person in Vienna, join us 4-8 Nov for #sf24eu!
sharkfest.wireshark.org/sfeu
#NetworkTroubleshooting
youtu.be/4hMT0kcW39g
For more classes like this in-person in Vienna, join us 4-8 Nov for #sf24eu!
sharkfest.wireshark.org/sfeu
#NetworkTroubleshooting
01 - Network Troubleshooting from Scratch | Learn Wireshark @ SF22US
YouTube video by SharkFest Wireshark Developer and User Conference
youtu.be
September 9, 2024 at 3:22 PM
Here's a great video for #Wireshark users of all levels talking about Network Troubleshooting from Scratch, taught by @packetjay.bsky.social.
youtu.be/4hMT0kcW39g
For more classes like this in-person in Vienna, join us 4-8 Nov for #sf24eu!
sharkfest.wireshark.org/sfeu
#NetworkTroubleshooting
youtu.be/4hMT0kcW39g
For more classes like this in-person in Vienna, join us 4-8 Nov for #sf24eu!
sharkfest.wireshark.org/sfeu
#NetworkTroubleshooting
Reposted by Jasper
A new video from the SharkFest archives is out!
youtu.be/rWHWOat5_Xg
Learn the basics of Wireshark & packet capture with packet expert @packetjay.bsky.social in his "Packet Capture 101" class from SharkFest'22 US.
For more live classes, sign up for #sf24us US!
sharkfest.wireshark.org/sfus
youtu.be/rWHWOat5_Xg
Learn the basics of Wireshark & packet capture with packet expert @packetjay.bsky.social in his "Packet Capture 101" class from SharkFest'22 US.
For more live classes, sign up for #sf24us US!
sharkfest.wireshark.org/sfus
26: Packet Capture 101 | Learn Wireshark @ SF22US
The title of this class is: "Packet Capture 101" and was taught by Jasper Bongertz. This was recorded on July 14th in Kansas City, MO. Subscribe to our channel for tons of free Wireshark educational content. To attend a live SharkFest and to learn Wireshark with packet analysis experts, visit: https://sharkfest.wireshark.org. SharkFest™, launched in 2008, is a series of annual educational conferences staged in various parts of the globe and focused on sharing knowledge, experience and best practices among the Wireshark® developer and user communities. SharkFest attendees hone their skills in the art of packet analysis by attending lecture and lab-based sessions delivered by the most seasoned experts in the industry. Wireshark core code contributors also gather during the conference days to enrich and evolve the tool to maintain its relevance in ensuring the productivity of modern networks. The Wireshark Foundation is a non-profit organization helping as many people as possible understand their networks as much as possible. As time goes on, more and more of our daily life happens using software, and that software relies on network connectivity. By hosting educational conferences, the Wireshark Foundation provides industry professionals and students with the knowledge and understanding required to ensure that the networks and systems we depend on are reliable, secure, and fast. https://twitter.com/wiresharkfest https://wiresharkfoundation.org Learn Wireshark Wireshark Basics Beginner Wireshark Course Session on how to use Wireshark
youtu.be
May 1, 2024 at 6:47 PM
A new video from the SharkFest archives is out!
youtu.be/rWHWOat5_Xg
Learn the basics of Wireshark & packet capture with packet expert @packetjay.bsky.social in his "Packet Capture 101" class from SharkFest'22 US.
For more live classes, sign up for #sf24us US!
sharkfest.wireshark.org/sfus
youtu.be/rWHWOat5_Xg
Learn the basics of Wireshark & packet capture with packet expert @packetjay.bsky.social in his "Packet Capture 101" class from SharkFest'22 US.
For more live classes, sign up for #sf24us US!
sharkfest.wireshark.org/sfus
Reposted by Jasper
This is the last week to take advantage of early bird pricing for SharkFest'24 US, the best place to learn Wireshark and network analysis!
Sign up today and save: sharkfest.wireshark.org/sfus
#Wireshark #NetworkAnalysis #sf24us
Sign up today and save: sharkfest.wireshark.org/sfus
#Wireshark #NetworkAnalysis #sf24us
March 25, 2024 at 5:03 PM
This is the last week to take advantage of early bird pricing for SharkFest'24 US, the best place to learn Wireshark and network analysis!
Sign up today and save: sharkfest.wireshark.org/sfus
#Wireshark #NetworkAnalysis #sf24us
Sign up today and save: sharkfest.wireshark.org/sfus
#Wireshark #NetworkAnalysis #sf24us
Reposted by Jasper
Join Chris Greer & Ross Bagurdes at SharkFest'24 US June 15-20 in Fairfax, VA for a class you won't want to miss!
youtu.be/ebnavTS__YA
Core #Wireshark Skills for Network Engineers and Security Pros
sharkfest.wireshark.org/sfus
youtu.be/ebnavTS__YA
Core #Wireshark Skills for Network Engineers and Security Pros
sharkfest.wireshark.org/sfus
SharkFest'24 US Core Wireshark Skills Class Trailer with Chris Greer & Ross Bagurdes
Join @ChrisGreer & Ross Bagurdes at SharkFest'24 US June 15-20 in Fairfax, VA for a class you won't want to miss! COURSE TITLE:Core Wireshark Skills for Ne...
youtu.be
March 1, 2024 at 6:26 PM
Join Chris Greer & Ross Bagurdes at SharkFest'24 US June 15-20 in Fairfax, VA for a class you won't want to miss!
youtu.be/ebnavTS__YA
Core #Wireshark Skills for Network Engineers and Security Pros
sharkfest.wireshark.org/sfus
youtu.be/ebnavTS__YA
Core #Wireshark Skills for Network Engineers and Security Pros
sharkfest.wireshark.org/sfus
Reposted by Jasper
Unlock the mysteries of network analysis at SharkFest'24 US, where everyone from industry leaders to new #Wireshark users meet & share knowledge.
Dive deep into cutting-edge classes, ensuring your network expertise surges ahead - sign up now to ride the wave!
sharkfest.wireshark.org/sfus
#sf24us
Dive deep into cutting-edge classes, ensuring your network expertise surges ahead - sign up now to ride the wave!
sharkfest.wireshark.org/sfus
#sf24us
February 19, 2024 at 6:45 PM
Unlock the mysteries of network analysis at SharkFest'24 US, where everyone from industry leaders to new #Wireshark users meet & share knowledge.
Dive deep into cutting-edge classes, ensuring your network expertise surges ahead - sign up now to ride the wave!
sharkfest.wireshark.org/sfus
#sf24us
Dive deep into cutting-edge classes, ensuring your network expertise surges ahead - sign up now to ride the wave!
sharkfest.wireshark.org/sfus
#sf24us
The Sharkfest 2023 EU keynote just started with Gerald Combs up on stage in Brussels #sf23eu #wireshark
November 1, 2023 at 8:09 AM
The Sharkfest 2023 EU keynote just started with Gerald Combs up on stage in Brussels #sf23eu #wireshark
My team had an encounter in a recent #DFIR situation where we saw a #CobaltStrike feature in use by the perpetrators we hadn't seen before: "sleep mask", which obfuscates memory content while the beacon is inactive, making #Yara signatures come up empty. Blog post here:
cyber.wtf/2023/10/13/c...
cyber.wtf/2023/10/13/c...
October 13, 2023 at 2:41 PM
My team had an encounter in a recent #DFIR situation where we saw a #CobaltStrike feature in use by the perpetrators we hadn't seen before: "sleep mask", which obfuscates memory content while the beacon is inactive, making #Yara signatures come up empty. Blog post here:
cyber.wtf/2023/10/13/c...
cyber.wtf/2023/10/13/c...
Reposted by Jasper
Episode 11 of the SharkBytes Podcast is out now!
Today we're chatting with Radia Perlman, the inventor of the spanning-tree protocol and has influenced how networks are organized and move data.
Audio: sharkbytes.transistor.fm
Video: youtu.be/UXGqOjWmtUg
Today we're chatting with Radia Perlman, the inventor of the spanning-tree protocol and has influenced how networks are organized and move data.
Audio: sharkbytes.transistor.fm
Video: youtu.be/UXGqOjWmtUg
October 9, 2023 at 9:20 AM
Episode 11 of the SharkBytes Podcast is out now!
Today we're chatting with Radia Perlman, the inventor of the spanning-tree protocol and has influenced how networks are organized and move data.
Audio: sharkbytes.transistor.fm
Video: youtu.be/UXGqOjWmtUg
Today we're chatting with Radia Perlman, the inventor of the spanning-tree protocol and has influenced how networks are organized and move data.
Audio: sharkbytes.transistor.fm
Video: youtu.be/UXGqOjWmtUg