TAME YOUR TECH By Susan Bradley Are you still using your original email address and account from your Internet service provider? Is that ISP notifying you that it wants to get out of the email business?  In years past, you signed with an Internet provider. and as part of that service. they handed you an […]

ISSUE 23.04.1 • 2026-01-27 By Susan Bradley The January updates present no issues for some, but lots of issues for others. I’m always hopeful of giving everyone some time every month to apply updates after we’ve vetted them. This month, I can lower the MS-DEFCON level to only 2.5. Unfortunately, we don’t have that, so […]

ISSUE 22.46 • 2025-11-17 ON SECURITY By Susan Bradley Since we first started using technology, we’ve had to deal with change. We’ve gone from a time where having a computer was unusual to a time where having a computer in your pocket is normal. Or nearly normal. Because businesses are facing more and more threats […]

Kent Ickler // TL;DR: This post describes the process of building an active system to automatically recon SPF violations. Disclaimer: There are parts of this build that might not be legal […]

The post Offensive SPF: How to Automate Anti-Phishing Reconnaissance Using Sender Policy Framework appeared first on Black Hills Information Security, Inc..

Kent Ickler and Derrick Rauch* // Sun Protection Factor Err… wait a second. Sender Policy Framework Ladies and Gentlemen of the class of 1997, Wear Sunscreen…I will dispense my advice, […]

The post How to Configure SPFv1: Explained for the Masses appeared first on Black Hills Information Security, Inc..

Here’s our webcast with Beau Bullock, Brian Fehrman & Carrie Roberts from Tuesday, November 29.

The post WEBCAST: Exchange and OWA attacks – Step by Step appeared first on Black Hills Information Security, Inc..

Beau Bullock // Full Disclosure: Black Hills Information Security believes in responsible disclosure of vulnerabilities. This vulnerability was reported to Microsoft on September 28th, 2016. As of the publication date of […]

The post Bypassing Two-Factor Authentication on OWA & Office365 Portals appeared first on Black Hills Information Security, Inc..

Gail Menius // My husband set me up with GPG and Thunderbird and it was too hard. Ethan said it was cool. Lots of people gave it good reviews. It’s […]

The post 5 Reasons for Mailvelope & Easy Instructions appeared first on Black Hills Information Security, Inc..