Computer Security US Blog

Computer Security News and Insights

Tailgating Attack

Tailgating Attack Cybersecurity: The Threat at Your Door

In September 2019, a Chinese national named Yujing Zhang walked past security at Mar-a-Lago carrying a thumb drive loaded with malware. She told the front desk she was there to use the pool. That's tailgating — and it nearly compromised one of the most secured private facilities in the

Carl B. Johnson Dec 18, 2021 7 min read
Shoulder Surfing Attack

Shoulder Surfing Attack: The Low-Tech Threat You Ignore

A $10 Pair of Binoculars Can Beat Your $10 Million Security Budget In 2018, a researcher at a security conference demonstrated how he captured over 100 passwords simply by watching people type at airport gates and coffee shops over a two-week period. No malware. No phishing emails. No zero-day exploits.

Carl B. Johnson Dec 18, 2021 7 min read
Clean Desk Policy

Clean Desk Policy Cybersecurity: Your Cheapest Defense

In March 2021, a UK-based financial firm was fined after a visitor photographed sensitive client data sitting on an employee's desk — in plain sight, during a routine office tour. No hacking tools. No zero-day exploit. Just a smartphone camera and a messy workstation. That's the reality

Carl B. Johnson Dec 18, 2021 7 min read
Cybersecurity Culture

Cybersecurity Culture in the Workplace: A Practical Guide

The Breach That Started with a Single Employee In May 2021, a single compromised password shut down Colonial Pipeline and triggered fuel shortages across the Eastern United States. The credential was tied to a legacy VPN account that lacked multi-factor authentication. One employee. One password. $4.4 million in ransom

Carl B. Johnson Dec 18, 2021 7 min read
Security Awareness Metrics

Security Awareness Metrics That Actually Prove ROI

In 2020, a mid-sized healthcare provider invested $250,000 in a security awareness program. Twelve months later, the CISO couldn't answer one question from the board: "Is it working?" No baseline measurements. No tracking. No defensible data. That CISO is now updating a résumé. I'

Carl B. Johnson Nov 28, 2021 7 min read
Security Awareness Training

How to Measure Security Awareness Training ROI

In March 2021, a single employee at a water treatment plant in Oldsmar, Florida clicked through a remote access session that could have poisoned a city's water supply. The attacker gained entry through a shared TeamViewer password — no phishing email required. The incident raised a question that boardrooms

Carl B. Johnson Nov 28, 2021 7 min read
Cybersecurity Training ROI

Cybersecurity Training ROI: The Numbers That Matter

A $150 Investment vs. a $4.24 Million Breach In March 2021, CNA Financial — one of the largest insurance companies in the U.S. — paid a reported $40 million ransom after a ransomware attack that started with a single employee interaction. That's not a typo. Forty million dollars

Carl B. Johnson Nov 28, 2021 7 min read
Cyber Hygiene

What Is Cyber Hygiene? The Basics That Stop 85% of Attacks

In March 2021, a single compromised password led to the Colonial Pipeline ransomware attack that shut down fuel delivery across the U.S. East Coast. The account didn't even have multi-factor authentication enabled. That's not a sophisticated nation-state exploit — that's a basic cyber hygiene

Carl B. Johnson Nov 28, 2021 7 min read