Cross-site scripting is a security flaw where attackers inject malicious scripts into trusted websites. When users visit the site, their browsers run the script as if it came from the site itself, letting attackers steal data like cookies or session tokens #infosec #pentesting
Find high-res pdf books with all my #cybersecurity related infographics at https://study-notes.org
A benefit to having a business major who is trained in application development do your vulnerability assessment is that we tend to take things like marketing and vision into account when doing the test. Sometimes, perceptions are an extremely important part of results, and how an attacker will approach a site is driven by those perceptions.
If you are not a business major, quick tip: Spend 30 minutes doing deep searches on the company name, the owner's names, the type of business they're in, and any unique phrases so that you get an idea of what people are saying. Use a tool. Get a subscription to the Wall Street Journal or FT. Dig through their databases. Hit the Wayback Machine.
Look on TOR! Set up a couple of accounts on some of the forums on there (obviously don't connect them to your real identity). Do searches before a test - just see what people are saying. Sometimes it's a big deal.
ParrotOS 6.4 is out now!
This release sets the stage for Parrot 7 with upgraded tools, security fixes, and system improvements
Upgrade via sudo parrot-upgrade or grab a fresh install from the official site
Click the link down below and read more on the changelog
https://parrotsec.org/blog/2025-07-07-parrot-6.4-release-notes
CVE Crowd's Top 3 Vulnerabilities from June!
These stood out among the 528 CVEs actively discussed across the Fediverse.
For each CVE, I’ve included a standout post from the community.
Enjoy exploring!
I recently ran into an interesting discrepancy:
What you see below are 120-bit Session IDs, one printed as hex and one in the format of a #UUIDv4.
After validating their randomness, I would classify the first as secure but raise concerns about the second.
Why?
Well, according to RFC 4122:
"Do not assume that UUIDs are hard to guess; they should not be used as security capabilities (identifiers whose mere possession grants access), for example."
And that's exactly what a session ID is: an identifier whose possession grants access. As such, UUIDs should not be used in such a case.
What do you think? Is this nitpicking? Or a valid security nuance?
Does the format in which data is displayed have an impact on its security?
I'd love to hear your thoughts.
Hundreds of Brother printer models are affected by a critical, unpatchable vulnerability (CVE-2024-51978) that allows attackers to generate the default admin password using the device’s serial number—information that’s easily discoverable via other flaws.
748 total models across Brother, Fujifilm, Ricoh, Toshiba, and Konica Minolta are impacted, with millions of devices at risk globally.
Attackers can:
• Gain unauthenticated admin access
• Pivot to full remote code execution
• Exfiltrate credentials for LDAP, FTP, and more
• Move laterally through your network
Brother says the vulnerability cannot be fixed in firmware and requires a change in manufacturing. For now, mitigation = change the default admin password immediately.
Our pentest team regularly highlights printer security as a critical path to system compromise—and today’s news is another example that underscores this risk. This is your reminder: Printers are not “set-and-forget” devices. Treat them like any other endpoint—monitor, patch, and lock them down.
Need help testing your network for exploitable print devices? Contact us and our pentest team can help!
Read the Dark Reading article for more details on the Brother Printers vulnerability: https://www.darkreading.com/endpoint-security/millions-brother-printers-critical-unpatchable-bug
Watch Brenno De Winter’s talk from OrangeCon 2024 on making penetration tests auditable again.
Watch here: https://www.youtube.com/watch?v=Rv0otVFKrkk
#OrangeCon2024 #Pentesting #Cybersecurity #Infosec
Kali Linux 2025.1c is out
Fixes update errors from lost signing key
Adds new tools like azurehound and binwalk3
Redesigned menu with MITRE ATT&CK
https://hackread.com/kali-linux-2025-1c-fix-issue-adds-tools-interface-update
DEF CON Training 2025 August 9–12, 2025 | 4-Day Training
Join Michael Aguilar #v3ga and Alex Delifer #Cheet for a hands-on course on Medical Device Penetration Testing at #DEFCON33 @defcon
Learn more and sign up: https://training.defcon.org/collections/def-con-training-las-vegas-2025/products/michael-aguilar-v3ga-alex-delifer-cheet-medical-device-penetration-testing-dctlv2025-4-day-training
My previous intro post was a few years old, so behold, new intro post:
Mike. Live in the Seattle area having grown up in the UK as a full blown British. Have a wife (incredible), child (boy), and three dogs (golden retriver/cream retriver/fuck knows).
I work in information security, something I have done for about 20 years. By day I run corporate security, enterprise IT and various other bits and pieces for an EV charging startup. I am big into EV's and currently drive one that is not a Tesla. I want an electric motorbike, so if anyone has a spare one please send it.
I also have a company of my own, Secure Being (https://securebeing.com), which does pen testing and digital forensic work - it's my way of staying super hands on while still doing the management bits on the career path.
I have written books about information security things. Five of them. Two are non-fiction textbooks, and three are fiction based on real world #infosec things. Check out https://infosecdiaries.com and your local bookstore to find them, just search for my name. I have been trying to write more stuff, but always seem to find myself distracted by other things, such as work. linktr.ee/secureowl has some mini stories I've written.
I love radio and everything RF. I have lots of antennas and various scanners and radios on my desk. I love intercepting and decoding things, like digital radio protocols.
I am a big aviation nerd. I always wanted to be a commercial pilot. I gained my private pilots license in the UK at 17, all self funded by my employment at the local Safeway/Morrisons store. I did the sim test and commercial assessments, but for some reason, at 18, I was unable to find the £100k needed to complete the commercial training, so I did computers. But do not worry, because those computers and love of aviation and radio/RF combined, and I run a project called ACARS Drama. https://acarsdrama.com has all the details.
I play guitar and am a big guitar/audio nerd as well. I record music under the moniker Operation: Anxiety, https://operationanxiety.com - the music is on all the normal places.
Finally, I am a massive fan of motorsport. I believe I have watched every F1 race for the last 30 years, maybe 25. I also follow F2, FE, Indycar and MotoGP closely. I average around 18 hours of Le Mans 24 hour racing watching per year.
So there you have it. If you are looking for a thought leader on the topics mentioned above, you've come to the wrong place - because this is where I shitpost, and shitposting is cheap therapy.
Linux Magazine 296: Pen Testing is available now! Learn to think like an attacker and find resources to get started with penetration testing. This month's DVD includes @fedora Workstation 42 Live and @ubuntubudgie 25.04
https://www.linux-magazine.com/Issues/2025/296?utm_source=mlm
#PenTesting #security #Linux #EUOS #Lomiri #Nushell #Ptcpdump #Python #deborphan #KiCad #NiceGUI #FreshRSS
Anyone want to offer odds on how long before the first bug bounty win?
[Updated on the same day, see below]
It took me a few days to build the library [cloudflare/workers-oauth-provider] with AI.
I estimate it would have taken a few weeks, maybe months to write by hand.
That said, this is a pretty ideal use case: implementing a well-known standard on a well-known platform with a clear API spec.
(Quoting @simon quoting Kenton Varda)
https://simonwillison.net/2025/Jun/2/kenton-varda/#atom-everything
12 hours of testing on VirtualBox on my poor old PC.
Zero crashes. BashCoreX is stable, fast, ready.
Debian-based, XFCE-powered, loaded with essential tools for ethical hacking.
Minimalism meets performance.
Just a reminder to always lock your door!
#LatchSlipping #Pentesting #PhysicalPentesting #Security
An excellent and especially thorough list of bypasses available to just about any bad actor that can reach a shell on a misconfigured UNIX system.
(Thanks to one of my students, Susana, for sending this in)
DNS cache poisoning is a security attack that corrupts a DNS resolver’s cache by injecting false records, causing users to be redirected to fake IP addresses instead of the legitimate domain
Here is how the attack works and how to protect from it #infosec #dns #pentesting
Find pdf books with all my #cybersecurity related infographics at https://study-notes.org
AI-powered features are the new attack surface! Check out our new blog in which LMG Security’s Senior Penetration Tester Emily Gosney @baybedoll shares real-world strategies for testing AI-driven web apps against the latest prompt injection threats.
From content smuggling to prompt splitting, attackers are using natural language to manipulate AI systems. Learn the top techniques—and why your web app pen test must include prompt injection testing to defend against today’s AI-driven threats.
Who says that #AI isn't helping people in real-life situations?
Consider yourself a bad #hacker, breaking in a company #SharePoint server. With #Microsoft #CoPilot, you're able to determine recent #pentesting reports, plain text #passwords and other crucial information for your attack right away. As if you get direct help by an insider. Amazing.
If you find an interesting sensitive file you don't have reading permission for, you can ask CoPilot to show it to you, overriding all the #security permission measures. Even better: this is not even logged as a file access. No need to clean up afterward.
Exactly the software you will need for your work. #Pentester and attackers could not have asked for a better tool. Your victims will pay for this handy service themselves. Great to get that kind of important support by Microsoft.
Read about that on: https://www.pentestpartners.com/security-blog/exploiting-copilot-ai-for-sharepoint/