REPORT

The 2026 Comcast Business Cybersecurity Threat Report

Comcast Business analyzed 79.3 billion cybersecurity events detected between March 2025 and February 2026. With AI now accelerating both the volume and sophistication of attacks, it is essential for enterprises to launch a layered cybersecurity defense that pairs advanced technology tools with human-led expertise to help protect their business.

In this year's threat report, we give details of what we found, how enterprise organizations can adapt their defenses, and a snapshot of the current cybersecurity landscape.

Gain cyberconfidence by understanding our data methodology

This report analyzes 79.3 billion cybersecurity events Comcast Business detected between March 1, 2025 and February 28, 2026 across the aggregated, anonymized data of our security customers, mapped to the MITRE ATT&CK® framework, a common reference for categorizing adversary behavior. These three data points capture how adversaries are constantly hunting for vulnerable devices and looking to exploit user behavior and steal credentials.

25.4 billion

phishing events

21.9 billion

drive-by compromise events

289 million

active scanning events

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Key takeaways from the 2026 Comcast Business Cybersecurity Threat Report

AI and automation push attack volumes higher: Billions of resource development and initial access events, along with 288.9 million vulnerability scans, reveal the dramatic scale of AI-automated threats.

Fewer vulnerabilities go unnoticed: 288.9 million scanning events show how constantly business networks are being probed.

Whoever controls the browser controls the data: 5.8 million browser-control attempts underscore the need for centralized management, extension allow-listing, and restrictions on personal account syncing.

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What's in the threat report?

The 2026 Comcast Business Cybersecurity Threat report contains top insights from Noopur Davis, the Chief Information Security and Product Privacy Officer at Comcast.

In addition to exploring this year's key cybersecurity findings and the methodology behind how we gathered our data, the report features:

The critical factors shaping enterprise cyber risk

What new twists attackers are putting on traditional tactics

Why attackers are industrializing their tools

Why compromises in the supply chain are a growing threat

How AI is accelerating attacks and making them easier to launch

The ways enterprise AI use is introducing new attack vectors

The unprecedented challenges of identity management

And we'll share case studies from our Security Operations Centers (SOCs) and information about how Comcast Business can help protect your enterprise from cyberthreats.

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"We are at a unique moment in the history of cybersecurity. Meeting this moment requires a new defensive operating model where defenders actively deploy artificial intelligence to detect and mitigate attacks."

Noopur Davis Executive Vice President, Chief Information Security and Product Privacy Officer, Comcast Business