Carl B. Johnson
Author

Carl B. Johnson

vCISO and compliance expert.

https://carlbjohnson.com

posts

Insider Threat Indicators

Insider Threat Indicators: 12 Red Flags You're Missing

In January 2023, the U.S. Department of Justice charged a former Twitter employee with spying for Saudi Arabia — accessing the personal data of dissidents and handing it to foreign intelligence. He'd worked at the company for years. Passed background checks. Sat in meetings. Nobody flagged a thing

Carl B. Johnson Dec 09, 2023 7 min read
Zero Trust

What Is Zero Trust? A Practical Guide for 2024

In January 2023, T-Mobile disclosed that a threat actor had been siphoning data from 37 million customer accounts since November 2022 — through a single exploited API. The attacker moved laterally for weeks without triggering alarms. If you've ever wondered what is zero trust and why the entire industry

Carl B. Johnson Dec 09, 2023 7 min read
Zero Trust Network Access

Zero Trust Network Access: A Practical Guide for 2024

The VPN Is Dead. The Breach That Proved It. In May 2023, a threat actor used stolen VPN credentials to breach a major U.S. government contractor, moving laterally across the network for weeks before detection. The attacker didn't exploit some exotic zero-day. They logged in with a

Carl B. Johnson Dec 09, 2023 7 min read
Zero Trust Implementation

Zero Trust Implementation: A Practical Guide for 2024

The Breach That Proved Perimeter Security Is Dead In January 2023, T-Mobile disclosed that a threat actor had been siphoning data from 37 million customer accounts since late November 2022 — by exploiting a single API. The attacker was already inside the network, moving laterally, harvesting names, emails, phone numbers, and

Carl B. Johnson Dec 07, 2023 8 min read
Work From Home Cybersecurity

Work From Home Cybersecurity: A Practical Defense Guide

Your Remote Workforce Is Your Largest Attack Surface In March 2023, the FBI's Internet Crime Complaint Center (IC3) reported that losses from cybercrime exceeded $10.3 billion in 2022 — a 49% increase from the year before. A massive chunk of those losses traced back to compromised remote workers.

Carl B. Johnson Nov 26, 2023 7 min read
Securing Remote Employees

Securing Remote Employees: A Practical 2023 Guide

In August 2023, a single remote employee at a casino and entertainment company fell for a social engineering call. That one mistake gave threat actors the keys to MGM Resorts' entire kingdom — an attack that cost the company over $100 million in damages according to their SEC filing. The

Carl B. Johnson Nov 26, 2023 7 min read
VPN Best Practices

VPN Best Practices: What Actually Protects You in 2023

In May 2023, Barracuda Networks disclosed that a zero-day vulnerability in its VPN appliances had been actively exploited since October 2022 — giving threat actors seven months of undetected access to customer networks. CISA issued an emergency directive. The patch wasn't enough; Barracuda told customers to physically replace compromised

Carl B. Johnson Nov 26, 2023 7 min read
Remote Desktop Security Risks

Remote Desktop Security Risks That Breach Networks Daily

In September 2023, the FBI and CISA issued a joint advisory warning that the Play ransomware group had compromised over 300 organizations — and their most common initial access vector was exposed Remote Desktop Protocol. That's not a sophisticated zero-day exploit. That's a login screen sitting wide

Carl B. Johnson Nov 26, 2023 7 min read
Acceptable Use Policy

Acceptable Use Policy Cybersecurity: Your First Defense

In 2022, a single employee at Uber received a flood of multi-factor authentication push notifications, got frustrated, and approved one. That decision gave a teenage threat actor access to Uber's internal systems, Slack, and cloud infrastructure. An acceptable use policy cybersecurity framework — one that specifically addressed MFA fatigue

Carl B. Johnson Nov 26, 2023 7 min read