Tag

Zero Trust

Understand the Zero Trust security model, which operates on the principle of never trust, always verify. Posts cover Zero Trust architecture, identity verification, micro-segmentation, least-privilege access, and practical steps for implementing Zero Trust frameworks across enterprise environments.

posts

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
NIST Cybersecurity Framework

NIST Cybersecurity Framework: A Practical Guide for 2023

The Framework That Could Have Prevented a $150 Million Mistake When Equifax disclosed its catastrophic 2017 breach affecting 147 million Americans, the postmortem was brutal. The company had failed at the most basic elements of what the NIST Cybersecurity Framework prescribes: asset inventory, patch management, and network segmentation. The FTC

Carl B. Johnson Nov 09, 2023 7 min read
Cybersecurity for Financial Services

Cybersecurity for Financial Services: A Survival Guide

The Industry That Gets Hit Hardest — and Most Often In January 2023, ION Trading Technologies — a critical software vendor serving derivatives traders worldwide — got hit with a LockBit ransomware attack that forced dozens of financial institutions back to manual trade processing. For days. In one of the most automated industries

Carl B. Johnson Nov 09, 2023 8 min read
Cloud Storage Security Risks

Cloud Storage Security Risks: What Your Team Ignores

A Single Misconfigured S3 Bucket Exposed 3 Billion Records In early 2023, security researchers discovered that a misconfigured cloud storage instance at Toyota had been leaking vehicle location data for over a decade — affecting 2.15 million customers. That wasn't a sophisticated nation-state attack. It was a configuration

Carl B. Johnson Nov 03, 2023 7 min read
Securing Cloud Applications

Securing Cloud Applications: A Practical Field Guide

The $65 Million Misconfiguration Nobody Saw Coming In March 2023, Toyota disclosed that a cloud misconfiguration had exposed vehicle data on 2.15 million customers for over a decade. A single cloud storage bucket, left publicly accessible, quietly leaked data from 2012 to 2023. Nobody noticed for ten years. That&

Carl B. Johnson Nov 03, 2023 7 min read
SaaS Security

SaaS Security Best Practices: A Hands-On Guide

The Breach That Started With a Single SaaS Login In January 2023, Mailchimp disclosed its second major breach in less than a year. The cause? A threat actor used social engineering to trick an employee into handing over credentials to an internal tool. That single compromised SaaS login exposed 133

Carl B. Johnson Sep 29, 2023 7 min read
Supply Chain Attack Examples

Supply Chain Attack Examples: 7 Breaches That Changed Security

In December 2020, security firm FireEye discovered that SolarWinds — a company most people had never heard of — had been compromised by a threat actor who injected malicious code into a routine software update. That single update shipped to roughly 18,000 organizations, including the U.S. Treasury, the Department of

Carl B. Johnson Jun 08, 2023 7 min read
Vendor Risk Management

Vendor Risk Management Cybersecurity: A Practical Guide

The Breach That Didn't Start With You In January 2023, Mailchimp disclosed its second breach in under a year — this time through a social engineering attack on an employee. But the real damage radiated outward. Every company using Mailchimp as a vendor suddenly had a problem they didn&

Carl B. Johnson Jun 08, 2023 7 min read
Cybersecurity Due Diligence

Cybersecurity Due Diligence: What It Really Takes

The $350 Million Lesson Marriott Learned After Closing the Deal When Marriott acquired Starwood Hotels in 2016, the deal looked like a hospitality industry win. What nobody caught during cybersecurity due diligence was that Starwood's reservation system had been compromised since 2014. The breach wasn't discovered

Carl B. Johnson Jun 06, 2023 7 min read