visitor@thefish.nz:~$ home

Jason Hill

CYBER SECURITY · OSINT · DIGITAL INVESTIGATIONS

Security operations by trade. OSINT by curiosity, persistence, and an inability to leave an interesting clue alone.

View latest post LinkedIn

// latest posts

Recent Posts

SPF, DKIM and DMARC: What They Actually Prove (and What They Don't)

20 September 2026

email-security phishing spf dkim dmarc soc dfir field-guide

Read post →

The IP Isn't the Attacker: A SOC Analyst's Guide to NAT, VPNs and Proxies

20 September 2026

soc blue-team networking field-guide skills

Read post →

Alert to Conclusion: Investigating Without Tunnel Vision

20 September 2026

soc investigation threat-hunting field-guide

Read post →

See all posts →

$ connect --linkedin

Get in touch

Questions about OSINT, security operations, or an interesting rabbit hole to share? LinkedIn is the best place to reach me.

Connect on LinkedIn Email

Other places: @OscarThePhish GitHub