Curated List of Current Discounts
Updated Year-Round
Last Updated On: December 27, 2025
| Name | Sale & Link | Dates | Type | Categories | Social Media Post | |
|---|---|---|---|---|---|---|
ISC2 Certified in Cybersecurity℠ Courses and Exams | Free ISC2 Certified in Cybersecurity℠ Course and Exam. (There is a $50 annual maintenance fee after passing the certification) | Going on Now | Training/Certs | Cybersecurity | Has Deals Under $1,000 | |
| Constructing Defense | Get 25% off the Constructing Defense course using code: DFIRDIVA | Going on Now | Training/Certs | Cybersecurity, Purple Team | Has Deals Under $1,000 | |
| Amazon | The following books are on sale on Amazon*:
| Going on Now | Books | Digital Forensics, Incident Response, OSINT, Malware Analysis/Reverse Engineering | Has Deals Under $1,000 | |
| Hexordia | Get 15% off Hexordia mobile and computer forensics courses* using code: DD15 | Going on Now | Training/Certs | Digital Forensics | Only Has Deals Over $1,000 | |
| TrainSec | Get 30% off the MAoS (Malware Analysis on Steroids) Bundle using code: MAOSCOMMINGSOON Get 20% off the Windows Security Researcher path (The path includes Windows Internals and Malware Analysis courses)* | Going on Now | Training/Certs | OS Internals, Malware Analysis/Reverse Engineering, Pentesting/Red Team, Blue Team, Programming, General IT | Has Deals Under $1,000 | |
| Ishwerwood Security | Get 50% off the Detection Engineering 101 course using code: DIVA | Going on Now | Training/Certs | Detection Engineering, Blue Team | Has Deals Under $1,000 | |
| Just Hacking Training | Get 25% off all Just Hacking Training courses (excluding bundles) using code: CYBER25 | Now until December 31st | Training/Certs | OSINT, Incident Response, Malware Analysis/Reverse Engineering, Pentesting/Red Team | Has Deals Under $1,000 | |
| TryHackMe | Advent of Cyber Special: Get 30% off Annual Subscriptions | Now until December 31st | Training/Certs | Digital Forensics, Incident Response, Threat Hunting, Malware Analysis/Reverse Engineering, Detection Engineering, Blue Team, OSINT, Cyber Threat Intelligence (CTI), Networking, Cybersecurity, Pentesting/Red Team, Programming, General IT, OS Internals, Purple Team | Has Deals Under $1,000 | |
| Antisyphon Training | Get access to 50+ On-Demand courses with the Antisyphon Training 1-Year Subscription. It also includes 1 year of access to the Cyber Range and a virtual ticket to the Wild West Hackin' Fest Conference. | Now until December 31st | Training/Certs | Digital Forensics, Incident Response, Blue Team, General IT, Cyber Threat Intelligence (CTI), Pentesting/Red Team, Cybersecurity, Programming | Has Deals Under $1,000 | |
| 2600 | 2600 has Holiday Specials, 10% off their Clothing, and discounts on LifeTime Subscriptions. | Going on Now | Newsletters/Magazines, Merch | Cybersecurity | Bluesky | |
| Hack The Box | Get 25% off Hack The Box Academy's Gold & Silver Annual Plans* using code: 25OFFANNUALDEC25 | Now until December 31st | Training/Certs | Digital Forensics, Incident Response, Blue Team, Pentesting/Red Team, Cybersecurity, General IT, OSINT, Networking, Programming, Threat Hunting, Malware Analysis/Reverse Engineering | Has Deals Under $1,000 | |
| Mossé Cyber Security Institute | Get 10% off all certifications using code: EOY25 | Now until December 31st | Training/Certs | Digital Forensics, Incident Response, Malware Analysis/Reverse Engineering, Blue Team, OSINT, Cybersecurity, Pentesting/Red Team, GRC, Threat Hunting, Cyber Threat Intelligence (CTI) | Has Deals Under $1,000 | |
| Cyber 5W | Get 50% off Cyber 5W courses using code: eoy25 | Now until December 31st | Training/Certs | Digital Forensics, Incident Response, Threat Hunting, Malware Analysis/Reverse Engineering, Blue Team | Has Deals Under $1,000 | |
| The DFIR Report | Get 25% off all DFIR Lab Cases & Subscriptions. | Now until January 1st | Training/Certs | Digital Forensics, Incident Response | Has Deals Under $1,000 | X |
Are you offering a discount on training, books, or software related to DFIR, OSINT, or Cybersecurity? Feel free to tag me in a social media post about the sale or fill out the Submit a Discount form so I can add it.
For hundreds of free and low cost training resources year round, visit the home page.
*DFIR Diva is an affiliate of Hack The Box, Blue Cape Security, Simply Cyber, INE, The Safer Internet Project, Humble Bundle, EaseUS, TCM Security, The OSINTion, TrainSec, Springer/Apress, Amazon, Hexordia, Udacity, Udemy, Coursera, and a creator and affiliate of Teepublic. Earnings from sales made through affiliate links go toward the cost of keeping this site running.