Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Hybrid clouds, rapid development, and Shadow IT have expanded the modern attack surface, making complete visibility both crucial and more difficult than ever. Attack surface discovery offers a means of addressing these visibility gaps by continuously mapping all digital assets — internal, external, and hidden. This guide covers the fundamentals, best practices, and top tools for effectively discovering the attack surface.

CXOs spend nearly 34% of their day reviewing reports, often bloated with metrics that don’t move the needle. Yet, despite all the dashboards and analytics tools available, most leaders still struggle to answer one question confidently.

On October 10, 2025, crypto markets experienced their largest liquidation event in history. A whopping $19.5 billion was liquidated across all markets with approximately $1 trillion in total market cap wiped out. Binance halted trading. Ethereum Layer 2s lagged. Arbitrum fees spiked above $500, with median fees jumping to $116. The entire ecosystem was under unprecedented stress. This was the ultimate real-world test of mission-critical infrastructure.

If you were online yesterday, you probably noticed that a surprising amount of the internet simply wasn’t there. Uber, X, Canva, ChatGPT, and dozens of others all began returning internal server errors. For a few hours, it looked like the web had taken the afternoon off. As usual, the immediate assumption was that someone must be attacking the internet. Even Cloudflare initially suspected a large-scale DDoS event. When many unrelated services break at once, it often signals malicious activity.

Dissecting the active-in-the-wild OS command injection vulnerability and its implications for enterprise threat monitoring In November 2025, threat intelligence teams began warning of a newly discovered zero-day vulnerability in a widely-deployed web application firewall appliance. The vulnerability — CVE-2025-58034 — allows authenticated attackers to execute arbitrary OS commands via crafted HTTP requests or CLI commands.

Users and organizations should be prepared for a surge in phishing attacks over the next several weeks, as attackers take advantage of the holiday shopping season, according to a new report from Zimperium. The report notes that mobile phishing attacks increase fourfold during the holiday season. Many of these attacks impersonate well-known brands and online retailers, such as Amazon and eBay.

Ransomware attacks spiked in October 2025, with more than 700 organizations sustaining attacks, according to a new report from Cyfirma. “In October 2025, ransomware activity surged globally, marking a significant resurgence after a period of mid-year stability,” the report says. “Victim counts climbed to 738, driven by renewed campaigns from leading operators and the emergence of several new groups.