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Threat Actor Tactics

Breaks down the techniques, tools, and procedures used by cybercriminals, nation-state hackers, and insider threats. Covers attack frameworks like MITRE ATT&CK and helps readers recognize and defend against evolving adversary behaviors.

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SQL Injection

SQL Injection Explained: The Attack That Won't Die

A 20-Year-Old Exploit Still Topping the Charts In 2023, the MOVEit Transfer vulnerability — a SQL injection flaw — led to the compromise of over 2,600 organizations and roughly 90 million individuals' records. One vulnerability. One technique that's been publicly documented since the early 2000s. And it still

Carl B. Johnson May 26, 2026 5 min read
Social Engineering

How to Spot Social Engineering Before It Costs You

In 2023, MGM Resorts lost an estimated $100 million after a threat actor called the help desk, pretended to be an employee, and talked their way into a password reset. No malware. No zero-day exploit. Just a phone call and a convincing story. That single incident shut down slot machines,

Carl B. Johnson May 26, 2026 5 min read
Cyber Incident Response Steps

Cyber Incident Response Steps That Actually Work

The Breach That Exposed a Missing Playbook In 2023, MGM Resorts lost an estimated $100 million after a social engineering attack gave threat actors access to critical systems. The attackers called the help desk, impersonated an employee, and got in. What made the damage so severe wasn't just

Carl B. Johnson May 14, 2026 5 min read
Supply Chain Attack Examples

Supply Chain Attack Examples That Changed Cybersecurity

A Trusted Software Update Became the Biggest Backdoor in History In December 2020, FireEye disclosed that threat actors had compromised SolarWinds Orion — a network monitoring platform used by 33,000 organizations, including multiple U.S. federal agencies. The attackers embedded malicious code into a routine software update. Every organization that

Carl B. Johnson Apr 05, 2026 5 min read
Removed Legitimate Software

Removed Legitimate Software: How Attackers Exploit Trust

The Trojan Horse You Already Installed In March 2024, a lone developer named Andres Freund noticed something odd: SSH connections were taking 500 milliseconds too long. That curiosity uncovered the XZ Utils backdoor — a sophisticated supply chain attack where a threat actor had spent two years building trust as a

Carl B. Johnson Dec 13, 2025 6 min read
Security of Cyberspace

Security of Cyberspace: What Actually Works in 2025

A $3.1 Billion Problem Nobody Wants to Own In 2023, the FBI's Internet Crime Complaint Center (IC3) reported $12.5 billion in cybercrime losses — up from $10.3 billion the year before. Investment fraud alone accounted for $4.57 billion. These aren't abstract numbers. They

Carl B. Johnson Nov 06, 2025 6 min read
Social Engineering Examples

Social Engineering Examples: 7 Real Attacks in 2025

In September 2023, a threat actor called Scattered Spider called MGM Resorts' IT help desk, impersonated an employee they found on LinkedIn, and convinced a technician to reset credentials. The result: an estimated $100 million in losses, a ransomware lockout across casino floors and hotel systems, and weeks of

Carl B. Johnson Sep 21, 2025 7 min read
Spoofing

Spoof Attacks: How Hackers Impersonate to Steal

In March 2024, a finance employee at a Hong Kong multinational wired $25.6 million to criminals after a video call with what appeared to be the company's CFO and several colleagues. Every person on that call was a deepfake — a sophisticated spoof that fooled a trained professional

Carl B. Johnson Sep 18, 2024 7 min read
Living Off the Land Attacks

When Attackers Removed Legitimate Software to Hide

In February 2024, the Cybersecurity and Infrastructure Security Agency (CISA) issued an advisory about threat actors linked to Volt Typhoon — a Chinese state-sponsored group that had been living inside U.S. critical infrastructure networks for years. One of their signature moves? They removed legitimate security tools and logging mechanisms from

Carl B. Johnson Aug 19, 2024 7 min read