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Save the date! Our annual #CTF begins on June 5 🗓️ This time, we will be looking for the legendary fern flower 🌿, but there will also be real world rewards 🏆 Save the challenge at 👇 tryhackme.com/jr/midsummer
Warto pamiętać jak przydatny jest SELinux! people.redhat.com/duffy/selinux/…
Warto pamiętać jak przydatny jest SELinux! people.redhat.com/duffy/selinux/…
. @j_kaluzny just released another video in his Instant Threat Modelling series - as always, full of not-so-obvious attack vectors. If you're having your late morning coffee now... you can also grab some inspiration in the mean time :-)
. @j_kaluzny just released another video in his Instant Threat Modelling series - as always, full of not-so-obvious attack vectors. If you're having your late morning coffee now... you can also grab some inspiration in the mean time :-)
Here's a teaser of what's coming up - my newest production - Instant Threat Modeling series - publishing the first episode tomorrow!
Here's a teaser of what's coming up - my newest production - Instant Threat Modeling series - publishing the first episode tomorrow!
We are sharing a threat model of contact tracing applications - have a look, feel free to comment or suggest new threats - trust in these apps is a key their success and it's time for the ITSec community to act while the apps are being developed linkedin.com/pulse/threat-m…
Pollution from Australian bushfires will accelerate melt of New Zealand’s glaciers theguardian.com/world/2020/jan…
It gives me great pleasure to announce the release of the OWASP Foundation API Security Top 10 - 2019 edition. Thank you Inon Shkedy, Paulo Silva, and David Sopas for many MANY hours of work. Download the full publication from here: lnkd.in/gM_dJQx
Lowest security standards: Industrial Control Systems aka systems that control the electrical grid, production lines, trains, X-rays and luggage belts Highest security standards: You child’s $200 smartphone Don’t tell anyone. They wouldn’t believe you.
Want to delete all empty lines, tabs, and whitespace from a text file under Linux/Unix/macOS/*BSD? Try sed '/^[[:space:]]*$/d' file Often, awk is simple to follows ;) awk 'NF' file See cyberciti.biz/faq/using-sed-…
Bezpieczne Serverless? - „To zależy” odpowiada @Rzepsky w artykule dla Serverless Polska @pzubkiewicz serverlesspolska.pl/2019/11/21/Nie…
At tomorrow’s #OWASPPolandDay 2019 @j_kaluzny will talk about large-scale security programmes and maintaining security with tens of project teams owaspday.pl
Remember Parity black-hat vs white-hat race? Here is the a new one: Komodo Team vs black-hat. Vector: Node.js package with a malicious code that Komodo’s Agama Wallet code base depend on. Loss: Wallets' seed phrases that give "root access" to wallets. komodoplatform.com/update-agama-v…
Here are my slides from @CONFidenceConf: 🔥"Attacking #AWS: the full cyber kill chain"🔥 including links to demos 😉 Any feedback is more than welcome! securing.biz/en/attacking-a…
Verifying myself: I am jkramarz on Keybase.io. DKyr5Q50WXh8ZlFULXn6mCTpxJG6166rhnb2 / keybase.io/jkramarz/sigs/…
I just needed an Ethernet port on my MBP, so I went to the Apple store. This is their official (and only) solution.. 😐
Woodstock 2016 – najbezpieczniejszy festiwal świata imagazine.pl/2016/07/16/woo… | @iMagazinePL
Too many issues being opened on your GitHub repos? Switch to JIRA for issue tracking, no-one will want to report any issues anymore!
Yes, this is a tux @hackerspace_krk #Woodstock2016
#HSKRK zbiera na przeprowadzkę - wspieram.to/hackerspace - Wspieraj.to i podaj dalej! ;) @wspieramto

3 Kids Capital @3kidscapital
503 Followers 3K Following Dad investing for 3 kids | ⚠️ Not financial advice | Recreational account | Any resemblance to real persons is purely coincidental
Lidar not required @lidar_not
8 Followers 33 Following
Whesa @Whesa177775
70 Followers 7K Following
Rafał @Rafal_Kozik
6 Followers 50 Following
eastern_bottom @sabrina36427879
47 Followers 795 Following
mutilated onchain @deucesiete
501 Followers 6K Following
Agata Plesnar-Bielak @PlesnarAgata
104 Followers 164 Following A biologist fascinated by evolution and ecology, PI in a project connecting these two, now at Natoonal Science Centre
Wojtek Ptak @wjptak
1K Followers 1K Following Learner, teams & products builder, leader, contributor, 🎙️ @CTOMorning, freeride biker by ❤️ working as @RevolutApp’s Head of Engineering for @RevolutBusiness
Dawid Suder @dawidsuder
2 Followers 90 Following
Damian Rusinek @drdr_zz
2K Followers 1K Following Web3 Security | SCSVS | PhD | Securing Your Smart Contracts and Web3 Applications since 2018, Co-founder @Composable_Sec
Grzegorz Pająk @gregory353a
0 Followers 47 Following
Banana republica @cybercrypt0
132 Followers 1K Following Household Expenditure Measure (HEM) Debt-to-income (DTI) policy Hallmark of real estate marketing oversized
TomekN @TNiewdana
173 Followers 2K Following
implr @implring
382 Followers 404 Following Cursed Computer Connoisseur @dragonsectorctf, BGP shitposting @bgpwtf, infrastructure security at An Alphabet Corporation
Disconnect3d @disconnect3d_pl
3K Followers 690 Following Security Engineer at @trailofbits. Pwndbg maintainer, justCatTheFish CTF team captain. Opinions are my own =)
Wojciech Reguła @_r3ggi
6K Followers 863 Following iOS/macOS app security researcher & blogger. 🍎 Black Hat / DEF CON / TyphoonCon speaker. Head of mobile appsec @SecuRingPL
Mateusz Olejarka @molejarka
781 Followers 261 Following OSWE, HTTP requests forger, Head of Web Security @SecuRingPL
Pawel Rzepa @Rzepsky
1K Followers 684 Following Yet another sec guy, particularly interested in cloud security 🌩️ AWS Authorized Instructor at @awscloud Lead Ethical Hacker at @SoftServeInc
Jakub Kaluzny @j_kaluzny
1K Followers 1K Following Bringing the `oh, we didn't expect it` phrase earlier in the SDLC. Leading innovative AppSec initiatives at Snowflake.
Łukasz Bobrek @lukaszbobrek
69 Followers 69 Following ☁️ cloud & 📱 android security researcher @securingpl. 🏔️ Tweets are my own.
Max Koko @maxkokocom
574 Followers 2K Following Tech optimist. bio/acc. Ethnically post-soviet 🇵🇱 atheist, culturally anglo-saxon 🇬🇧 christian. Little pharma revolution @crowdwisebio & @biohackathonXYZ
Tomasz Lelek @tomekl007
246 Followers 505 Following Senior Staff Software Engineer at Dremio; Published Author of “Software Mistakes and Tradeoffs”
Pons.xsloy1234 @PonsXsloy1234
60 Followers 2K Following #Election2016 Actors & Actresses Actors & Actresses Art Arts & Culture Business & Finance Car Culture Celebrity Gamers Celebrity News Classic Rock Classic Rock
Michał Niczyporuk�... @mihn
1K Followers 3K Following staff engineer in daylight, dwarf at night. @WarszawaJUG look for me on other blue site
Malisz @maliszew
105 Followers 657 Following
Angelika Maria Piątk... @piatkosia
268 Followers 594 Following Polka. Programistka. Może w przyszłości cyberpsycholog. Hoduje mrówki i lubi czytać o bezpieczeństwie.
Dr. Tim Warren @Dr_Tim_Warren
904 Followers 4K Following BANISH BACK PAIN & Get Back on the Trail. NATURALLY. Dr. Warren, Author, Chiropractor, Pain Specialist, Coach, Expert Climber has the SECRET.
Taye Diggs @TayeDiggs
594K Followers 600K Following I'm serious chocolate and don't get it twisted. https://t.co/AjINiSHMHu @CWAllAmerican All American Host @CriticsChoice
Growth Lab @growth_lab_blog
20 Followers 111 Following Growth & Product Blog. Resources and insights from the frontline to level-up your startup.
ewa kołodziejczyk @ewa_odziejczyk
3 Followers 99 Following
Konrad Szczypczyk @KonradSzczypczy
433 Followers 2K Following psychologist (for business), the manager (for rent), (active) shareholder ... I diagnose and strengthen the condition of your company
thetko ko @ThetkoK
13 Followers 226 Following
Dominika Żuraw @DominikaZuraw
10 Followers 48 Following
Jiri Folta @JiriFolta
1K Followers 1K Following bread baker https://t.co/h7P2DzTZ1E food lover, open source enthusiast, photographer wannabe. Tweets are my own.
Stattys Polska @StattysPolska
17 Followers 171 Following Karteczki doceni każdy, kto chce w jasny i klarowny sposób przedstawić lub opracować koncepcję projektu swoim współpracownikom, szefom, klientom lub inwestorom.
Szymon Maziarz @szymontoboli
4 Followers 23 Following
Mateusz Antkiewicz @MAntkiewicz
20 Followers 887 Following
DailyMantle @DailyMantle3
29K Followers 1K Following ⚠️🚨 Mongolian state affiliated account 🚨⚠️ Own content watermarked with @PallasDAV
Grzegorz Kot @gfkot
23K Followers 4K Following Kot, który chadza własnymi drogami. Nierasowy lecz rozumny, czyli zdecydowanie gorszy sort. Jeśli doceniasz to, co robię - postaw kawę: https://t.co/cVrK01xvO1
Dariusz Dziektarz @ddziektarz
38K Followers 550 Following Piszę trochę o przyrodzie, najchętniej z tej mniej oczywistej strony. Jeśli lubisz czytać, to polecam swoje książki!: https://t.co/oY4qxplbBv
PNEUMATYCZNA DUSZA @PNEUMADUSZA
9K Followers 708 Following BLOG LAJFSTAJLOWY O ŻYCIU NA RUINACH TYSIĘCY CYWILIZACJI POD POWOLI GASNĄCYM SŁOŃCEM. @[email protected]
Paweł Brewczyński @pbrewczynski
297 Followers 792 Following
internet hall of fame @InternetH0F
3.9M Followers 412 Following the internet just wouldn't be the same without these iconic posts. credit ≠ endorsement
Tomek Borek @LAFK_pl
596 Followers 351 Following Readability, clarity, honesty, learning. Thankful to everybody who helps me while I hop along. Proud of: https://t.co/tUhu6yXydj and https://t.co/T3aYVK2dU0
Sylwia Czubkowska @sylvcz
26K Followers 5K Following Współautorka podcastu Techstorie w TokFM; "Chińczycy trzymają nas mocno", Znak 2022; "BógTechy", Znak 2025; [email protected] #technologie
Pan od Komputerow @komputerow
4K Followers 623 Following Dziwne, u mnie działa | UNIX | hacking | security | Cisco | forensics
Michał Sajdak @sajdoor
7K Followers 39 Following Prowadzę https://t.co/AbQYioojzo, szkolę, pentestuję :)
Fundacja Panoptykon @panoptykon
21K Followers 888 Following Kontrolujemy kontrolujących We are watching the watchers Wspieraj https://t.co/LBJ3YmWDOA Pol. prywat. https://t.co/OuOi9o2ZBj
Adam Haertle @adamhae... @adamhaertle
8K Followers 54 Following Wszystko co chcesz wiedzieć o hasłach: https://t.co/5a3s6qnjqg
Informatyk Zakładowy @InfZakladowy
32K Followers 295 Following Sprawdź szkolenie ze scrapowania edycja 2025! https://t.co/wVtJ9T7CIu
Jakub Mrugalski 🔥 @uwteam
40K Followers 536 Following 🤖 Piszę o technologii, automatyzacji, cybersecurity ✍️ Dokumentuję swoją drogę w biznesie 🖥️ https://t.co/7goCDafxgx ← to moje 😎
Łukasz Olejnik @prywatnik
16K Followers 606 Following Ph.D, LL.M. Bezpieczeństwo informacji. Prywatność. Ochrona danych. B+R. Konsulting. Tech. Autor 📖@FilozofiaCyber, „PROPAGANDA”. DGP #Cyberpolityka. @warstudies
CERT Polska @CERT_Polska
33K Followers 8 Following Oficjalny profil zespołu CERT Polska | Zgłoszenie incydentu: https://t.co/NNUSNq61UT | O nas: https://t.co/mv9SshTgzy
Volodymyr Zelenskyy /... @ZelenskyyUa
8.2M Followers 1 Following President of Ukraine / Президент України
Krzysztof Brejza🇵�... @krzysztofbrejza
217K Followers 2K Following Poseł do Parlamentu Europejskiego, dr nauk prawnych. 2024: 205 tys. głosów, najlepszy (procentowo/okręg) wynik w wyborach do PE
Terrible Maps @TerribleMaps
1.7M Followers 1K Following The home of terrible maps with a pinch of humour [email protected]
Bartek Kowalik @bkowalikpl
25 Followers 123 Following
Damian Rusinek @drdr_zz
2K Followers 1K Following Web3 Security | SCSVS | PhD | Securing Your Smart Contracts and Web3 Applications since 2018, Co-founder @Composable_Sec
Lab401 @Lab_401
6K Followers 494 Following Europe's leading pentesting hardware supplier : #FlipperZero #Hak5 #Proxmark #iCopyX #USBKill #infosec #pentesting Your trusted partner for pentesting.
Cybergibbons 🚲🚲... @cybergibbons
48K Followers 3K Following Andrew Tierney. Head of hardware. IoT hacker. Proud resident of Hounslow. Full on Alpha Male.
Wojtek Ptak @wjptak
1K Followers 1K Following Learner, teams & products builder, leader, contributor, 🎙️ @CTOMorning, freeride biker by ❤️ working as @RevolutApp’s Head of Engineering for @RevolutBusiness
Agata Plesnar-Bielak @PlesnarAgata
104 Followers 164 Following A biologist fascinated by evolution and ecology, PI in a project connecting these two, now at Natoonal Science Centre
WeRateCats @_We_Rate_Cats
17K Followers 543 Following Professional Cat Ratings- DM me pictures of your feline for rating🐈. Use catnip responsibly. #WeRateCats
MalwareTech @MalwareTechBlog
277K Followers 1 Following Not here anymore. Profiles: https://t.co/sFoOuGmYK2
Garry Kasparov @Kasparov63
1.1M Followers 1K Following VP of @WLCongress. Founder & Chair of @Renew_Democracy. Activist, speaker, 13th World Chess Champion. Autocracy in America podcast: https://t.co/xemlxTR3IN
NEXTA @nexta_tv
1.3M Followers 216 Following The largest Eastern European media. To let the world know. Our website: https://t.co/4voPija7tJ Become our patron: https://t.co/fOGkarNq2c
OSINTtechnical @Osinttechnical
1.1M Followers 865 Following PAI enjoyer, OSINT guy @hntrbrkmedia, my views/freezing cold takes are my own. For full disclosures, visit https://t.co/JOtQx4pI3e.
Kelly Shortridge @swagitda_
29K Followers 279 Following Senior Director @Fastly | software resilience + modern infosec | [email protected] | https://t.co/68itNjq8tL | aka &void;
Jiska @naehrdine
9K Followers 637 Following Malware artist, unicorn creator, wireless hacker. Working at @HPI_DE (ex @seemoolab). Opinions are my own. https://t.co/GbL7GINJBo / @[email protected]
[email protected]... @christogrozev
544K Followers 1K Following Investigative journalist (Spiegel, The Insider, ex-Bellingcat), film maker and hobby coder. https://t.co/3kUwYLHXoL
ConcernedApe @ConcernedApe
1.4M Followers 94 Following creator of Stardew Valley -- working on "Haunted Chocolatier"
Florence Pugh @Florence_Pugh
348K Followers 245 Following Actor/Singer Songwriter-weirdly low voice and a confusing laugh. -Julian Belfrage Associates- #diehardrottweilerlover @TheFalling_film @ladymacbethfilm
hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
Michał Kowalczyk �... @dsredford
4K Followers 157 Following reverse-engineering / low-level security @DragonSectorCTF vice-captain / Invisible Things Lab Mastodon: @[email protected] bsky: @mkow.bsky.social
bgp.wtf @bgpwtf
442 Followers 17 Following Non-profit ISP born and raised at @hackerspacepl. NixOS, Kubernetes and BGP funposters. Give us cool network gear. [email protected] ; [email protected]