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Email Security

Comprehensive guides on protecting email accounts and infrastructure from cyber threats. Covers email authentication protocols like SPF, DKIM, and DMARC, encryption best practices, spam filtering, and organizational policies that reduce the risk of email-based attacks.

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Phishing Links

What Is a Phishing Link? How to Spot and Stop Them

Last year, a finance director at a mid-sized logistics company clicked a link in what looked like a DocuSign notification. Fourteen seconds later, a threat actor had her Microsoft 365 credentials. Within two hours, the attacker had redirected a $380,000 wire transfer to an overseas account. The link she

Carl B. Johnson Apr 01, 2019 7 min read
Spoofing

What Is Spoofing? The Attack Behind Most Breaches

In 2023, the FBI's Internet Crime Complaint Center received over 298,000 complaints related to phishing and spoofing — making it the number one reported cybercrime category for the fifth year running. That wasn't a fluke. Spoofing is the backbone of almost every major social engineering campaign

Carl B. Johnson Apr 01, 2019 7 min read
Phishing News

Phishing News: The Attacks Reshaping 2026 Security

A Single Phishing Email Just Cost a Healthcare System $65 Million If you follow phishing news, you already know the headlines keep getting worse. Change Healthcare's 2024 breach — triggered by compromised credentials and the absence of multi-factor authentication — led to a reported $22 billion disruption across the U.

Carl B. Johnson Mar 20, 2019 7 min read
Spear Phishing

What Is Spear Phishing? The Targeted Attack Behind Major Breaches

A Single Email Cost This Company $100 Million In 2015, Ubiquiti Networks disclosed that threat actors used spear phishing emails to impersonate executives and trick finance staff into wiring $46.7 million to overseas accounts. They eventually recovered some funds, but the damage was done. That wasn't a

Carl B. Johnson Mar 20, 2019 8 min read
Fake Mailer

Fake Mailer Attacks: How Threat Actors Spoof Email

In March 2024, the FBI's Internet Crime Complaint Center reported that business email compromise — much of it powered by spoofed sender addresses — cost victims over $2.9 billion in a single year. Behind many of those attacks sits a deceptively simple weapon: a fake mailer. These tools let

Carl B. Johnson Mar 10, 2019 7 min read
Phishing Psychology

How Phishing Emails Work: The Psychology Behind the Click

Updated for 2026 A Single Email Cost This Company $121 Million In 2019, Rubin Schron's Cammeby's International Group wired $121 million to a fraudulent account after receiving what appeared to be a routine email from their attorney. The email was a phish. No malware. No zero-day

Carl B. Johnson Feb 02, 2019 7 min read