Jiří Vinopal ✓

@vinopaljiri · Czech Republic · joined 29 Sep 2018

Security Researcher at @_CPResearch_ All opinions expressed here are mine only. https://t.co/bNWc3k9HwF

10 733Followers

625Following

3 392Posts total

36.2KViews on collected posts

Latest posts

Jiří Vinopal ✓@vinopaljiri26 Aug

Very decent analysis made by @CrackmesOne !!! Great job man 💪💯🫡 2.5K views · 29 likes · 4 reposts · 0 replies Open on X →

Jiří Vinopal ✓@vinopaljiri20 Aug

🔥 This one is special! Honored to have shared it on the main stages at #BHUSA & #DEFCON. Now the full write-up, every detail, is finally public. 🥳 🤔 A signed Microsoft driver, used exactly as designed, turned into a Ring 0 primitive ➡️ no exploit, no CVE, no BYOVD... ☝️ Just 8.2K views · 71 likes · 20 reposts · 5 replies Open on X →

Jiří Vinopal ✓@vinopaljiri8 Aug

If you are more into #Malware stuffs, still love #Windows #Kernel internals, don´t forget to come to my @defcon talk today 10AM. 🐀@MalwareVillage - Cracking ValleyRAT: From Builder Secrets to Kernel Rootkits 📅Sat · 10:00 AM · 35 min Session👉 https://t.co/wNbwwKsLAI #DEFCON http 2.8K views · 18 likes · 1 reposts · 1 replies Open on X →

Jiří Vinopal ✓@vinopaljiri8 Aug

Thank you so much @SwiftSecur1 for such kind words and all you guys who came to see my #DEFCON talk. It was absolutely amazing to see so many people there and more & more coming, enjoying my #BTR Reforged Ride 😁🤗💙 @defcon is so far absolutely amazing I am super excited 😊 https:/ 4K views · 12 likes · 0 reposts · 0 replies Open on X →

Jiří Vinopal ✓@vinopaljiri7 Aug

@vinopaljiri great fun watching this guy at defcon... and an amazing tool drop as well.. Well done sir, pleasure watching ya! Check his tool out, kinda mental. https://t.co/Jbq0FIFUNM 1.2K views · 6 likes · 0 reposts · 0 replies Open on X →

Jiří Vinopal ✓@vinopaljiri25 Jul

I'm super excited to be speaking at Black Hat USA 2026, delivering my research "BTR Reforged: Weaponizing Defender's Remediation Driver as a Kernel Operation Primitive" 🤗💪 Big thanks @_CPResearch_ & @BlackHatEvents! 💯 Join me: https://t.co/nk3i07jWgj #BHUSA #cybersecurity 17.6K views · 51 likes · 5 reposts · 4 replies Open on X →

Against accounts of the same size

6 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views3 372this account1 070median for 10K–100K

Reach, %31.42%this account3.77%median for 10K–100K

Engagement, %0.66%this account1.65%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	3 372	1 070	3.15×
Reach (views ÷ followers)	31.42%	3.77%	8.33×
Engagement rate	0.66%	1.65%	0.40×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

17.6K25 Jul

1.2K7 Aug

4K8 Aug

2.8K

8.2K20 Aug

2.5K26 Aug

Last 6 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.35%25 Jul

0.59%7 Aug

0.33%8 Aug

0.72%

1.18%20 Aug

1.34%26 Aug

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.65%.

What the audience does

Likes66.5%187 in total

Reposts10.7%30 in total

Replies3.6%10 in total

Quotes1.8%5 in total

Bookmarks17.4%49 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.