Wireshark is hard. Let’s change that.

Master packet analysis with world-class training from Chris. Learn to use Wireshark like a pro, troubleshoot faster, hunt down threats, and earn your WCA certification.

Chris Greer
Wireshark Trainer/YouTuber/Friend
Meet Chris

What Students Are Saying!

On Site

Wireshark Certified Analyst Video Course

One of the best courses I've ever seen. I've been watching Chris' videos for years, but this course is very well structured, not boring at all. I recommend it.

Hugo Rosario
Hugo Rosario
On Site

Chris' Training transformed our Network Organization

Chris' packet analysis training - both remote and onsite - has been a game changer for our global network operations teams. It's now common to trace tough issues back to the skills we gained, with most successes credited to that training.

David - Fortune 10 Company (2025)
David - Fortune 10 Company (2025)
On Site

Our network was always slow and sluggish.

“Our network was always slow and sluggish. No consultants could find the issue. Chris was able to quickly identify the problem and help us resolve it.”

John Sly – Pine Bush Equipment
John Sly – Pine Bush Equipment
On Site

Within a day Chris found the culprit.

“We had application issues we could not identify. Within a day Chris found the culprit. Packet Pioneer saved my bacon!”

Tim Pfannes – Groundwork0
Tim Pfannes – Groundwork0
On Site

Chris was extremely knowledgeable and enthusiastic!

“Our team is very excited to use the new skills that Packet Pioneer taught. Chris was extremely knowledgeable and enthusiastic!”

Kevin S. - Utilities Company in Southern California
Kevin S. - Utilities Company in Southern California
On Site

Chris is a terrific educator

“We asked Chris for some targeted training and he adapted, on-the-fly, to deliver what we needed. Chris is a terrific educator with a knack for explaining complex concepts.”

Adam Pumphrey – Dynamite Analytics (Sept 2020)
Adam Pumphrey – Dynamite Analytics (Sept 2020)
On Site

I would highly recommend Chris for Wireshark Training.

“I would highly recommend Chris for Wireshark Training. I’ve taken the week long class through (other), but I preferred his style and approach to Wireshark”

Network Engineer – Fortune 100 Company (2020)
Network Engineer – Fortune 100 Company (2020)
On Site

We very much enjoyed working with Chris

“The format of Chris' training was extremely interactive and he was always happy to pause and answer questions. We very much enjoyed working with Chris, and highly recommend Packet Pioneer for those with an interest in network traffic analysis.”

Jamin Becker – Dynamite Analytics (Sept 2020)
Jamin Becker – Dynamite Analytics (Sept 2020)
On Site

Best training I’ve ever had.

“Best training I’ve ever had. The training was very interactive. Chris stripped down TCP and explained it in detail. I can’t recommend his training enough.”

Network Engineer – Fortune 10 Company (2025)
Network Engineer – Fortune 10 Company (2025)

On-Demand Courses

Get Wireshark Certified. At your pace. On your time

Custom Training

Work together with Chris as he trains your team to utilize Wireshark to solve gritty network problems. Onsite or Virtual courses available.

YOUTUBE

Subscribe to Chris as he shares all about the WCA Certification, as well as other tips in packet analysis!

176K Subscribers
141 Videos
9M Views
Free Wireshark Sessions - Sharkfest 26 0:40

Free Wireshark Sessions - Sharkfest 26

Chris Greer
2.1K Views
3 weeks ago
66 Likes

Caught up with Gerald Combs, the creator of Wireshark, at SharkFest 2026 in Nashville — talking pa...

DNS is Finally Encrypted - Here is Proof... 11:53

DNS is Finally Encrypted - Here is Proof...

Chris Greer
8.2K Views
1 month ago
436 Likes

DNSSEC adds validation—but it doesn't encrypt DNS. In this video, we look at what encrypted DNS a...

Let’s learn TCP Duplicate Acknowledgements 8:23

Let’s learn TCP Duplicate Acknowledgements

Chris Greer
3.9K Views
2 months ago
284 Likes

One of the most common TCP analysis flags in Wireshark is TCP Dup ACK (Duplicate Acknowledgement). B...

Does DNSSEC Really Secure DNS? Well, Kinda… 6:02

Does DNSSEC Really Secure DNS? Well, Kinda…

Chris Greer
4.4K Views
2 months ago
315 Likes

Most people think DNSSEC means DNS security. Well... not really in the full sense. It is designed to...

DNS Security Explained (DNSSEC, DoH, DoT, DoQ) - Interview with Ross Gibson 27:51

DNS Security Explained (DNSSEC, DoH, DoT, DoQ) -...

Chris Greer
13.4K Views
4 months ago
707 Likes

In this interview, we sit down with Ross Gibson, an engineer at Infoblox and contributor to the late...

DNS Is Not Secure - See Why In 30 Seconds 0:35

DNS Is Not Secure - See Why In...

Chris Greer
14.3K Views
5 months ago
363 Likes

Your DNS requests aren’t private — anyone can read them from the wire. Watch how DNS traffic is ...