Testing TLS and Certificates
Pentest reports sometimes include bad information under a heading like, “Weak TLS Configuration” or “Insecure SSL Certificates.” This article will explain how TLS is supposed to work, common ways it […]
Rooting For Secrets with TruffleHog
The potential leaking of confidential information can pose a significant security risk for any organization. When sensitive details (i.e., API keys, passwords, cryptographic keys, and other credentials) are unintentionally committed […]
Hunting for SSRF Bugs in PDF Generators
If you’ve been on a website and noticed one of the following features, there’s a good chance you’ve stumbled upon a hot spot for server-side request forgery (SSRF) bugs: Before […]
Better Together: Real Time Threat Detection for Kubernetes with Atomic Red Tests & Falco
| Nigel Douglas As a Developer Advocate working on Project Falco, Nigel Douglas plays a key role in driving education for the Open-Source Detection and Response (D&R) segment of cloud-native […]
Spamming Microsoft 365 Like It’s 1995
I previously blogged about spoofing Microsoft 365 using the direct send feature enabled by default when creating a business 365 Exchange Online instance (https://www.blackhillsinfosec.com/spoofing-microsoft-365-like-its-1995/). Using the direct send feature, it […]
OSINT for Incident Response (Part 1)
Being a digital forensics and incident response consultant is largely about unanswered questions. When we engage with a client, they know something bad happened or is happening, but they are […]
The Simplest and Last Internet-Only ACL You’ll Ever Need
tl;dr Implement this ACL using whatever network gear, cloud ACL config, or uncomplicated firewall you use to protect your networks. Our IOT devices are on 10.99.99.0/24 for this example. Also, […]
Unpacking the Packet: Demystifying the Internet Protocol
The internet is a product of a global group effort to build an interoperable network connecting billions of devices, regardless of country, region, or manufacturer. That effort yielded hundreds of […]
Abusing Active Directory Certificate Services (Part 3)
| Alyssa Snow In PART ONE and PART TWO of this blog series, we discussed common misconfigurations of Active Directory certificate templates. In this post, we will walk through exploitation […]