Tag

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.

posts

Phishing Email Detection

How to Recognize a Phishing Email Before You Click

In January 2024, a finance employee at a multinational firm in Hong Kong wired $25 million to threat actors — all because of a phishing email that led to a deepfake video call. That incident made global headlines, but here's what didn't: the thousands of nearly identical

Carl B. Johnson May 03, 2024 7 min read
Phishing Attack Examples

Phishing Attack Examples: 7 Real Breaches That Cost Millions

One Email Cost This Company $100 Million In 2019, Toyota Boshoku Corporation — a major Toyota parts supplier — lost $37 million after an employee wired funds to a fraudster posing as a legitimate business partner. That same year, Nikkei's American subsidiary lost $29 million to a nearly identical scheme.

Carl B. Johnson May 03, 2024 7 min read
Spear Phishing vs Phishing

Spear Phishing vs Phishing: What Actually Gets You Hacked

In January 2024, a finance employee at engineering firm Arup wired $25 million to threat actors after a deepfake video call that impersonated the company's CFO. That attack didn't start with a mass spam blast. It started with a carefully researched, individually targeted spear phishing email.

Carl B. Johnson May 02, 2024 6 min read
Phishing Prevention Tips

Phishing Prevention Tips That Actually Stop Breaches

In January 2024, a finance employee at a multinational firm in Hong Kong wired $25 million to threat actors after a deepfake video call convinced him his CFO had authorized the transfer. It started with a phishing email. Every catastrophic breach I've investigated over the past decade traces

Carl B. Johnson May 02, 2024 7 min read
Phishing Prevention

How to Avoid Phishing Attacks: A Practical Guide

In January 2024, a finance employee at a multinational firm in Hong Kong wired $25.6 million to threat actors after joining a video call where every other participant — including the company's CFO — was a deepfake. The attackers had spent weeks studying publicly available video of those executives,

Carl B. Johnson May 02, 2024 7 min read
Business Email Compromise

Business Email Compromise: The $2.9B Threat in 2024

In 2023, the FBI's Internet Crime Complaint Center reported that business email compromise accounted for $2.9 billion in adjusted losses — making it the single costliest category of cybercrime they track. Not ransomware. Not credit card fraud. Email scams where someone pretends to be your CEO, your vendor,

Carl B. Johnson May 02, 2024 7 min read
Spear Phishing

What Is Spear Phishing? The Targeted Attack Behind Major Breaches

In January 2023, Reddit disclosed that an attacker had used a carefully crafted phishing email — targeting a specific employee with internal details about the company — to steal credentials and access internal systems. It wasn't a mass-blast scam. It was a precision strike. That's spear phishing in

Carl B. Johnson May 02, 2024 7 min read
Phishing

How to Spot a Phishing Email: 9 Red Flags That Matter

In March 2022, the Lapsus$ threat actor group breached Okta — a company literally in the business of identity security — by compromising a single employee through a social engineering campaign that started with phishing. If it can happen to an identity provider securing thousands of enterprises, it can happen to your

Carl B. Johnson Jan 09, 2023 8 min read
Phishing

What Is Phishing? A Security Pro's Real-World Guide

A Single Email Cost This Company $121 Million In 2017, a Lithuanian man orchestrated a phishing scheme that tricked both Google and Facebook into wiring him over $121 million combined. He sent fake invoices from a spoofed email address impersonating a legitimate hardware vendor. Employees at two of the most

Carl B. Johnson Dec 25, 2022 7 min read
Phishing

Phish: Why Employees Still Take the Bait in 2022

A Single Phish Cost Twilio 163 Million User Records In August 2022, Twilio — a company that powers authentication for thousands of apps — confirmed that attackers used SMS-based phishing to compromise employee credentials. That single phish gave threat actors access to data from 163 customer accounts, which cascaded into a breach

Carl B. Johnson Dec 25, 2022 6 min read