Cisco security revenue jumps 14% as agentic AI sharpens cyberattacks

Dive Brief:

• Cisco’s security revenue surged last quarter as the technology giant saw growing demand for products designed to protect businesses against emerging cybersecurity threats, including those enabled by artificial intelligence agents, the company reported Wednesday.
• The company posted $17.3 billion in total revenue for its fiscal 2026 fouth quarter ended July 25, a year-over-year increase of 18%. Security revenue rose 14% in the quarter to $2.2 billion from a year earlier.
• “The rise of agentic AI is expanding the threat landscape, driving demand for our security and observability solutions to help monitor agent behavior and mitigate evolving threats,” CEO Chuck Robbins said during a Wednesday earnings call.

Dive Insight:

The revenue surge coincides with increasing reports of AI’s role in cyberattacks.

IBM’s 2026 Cost of a Data Breach study released last month found that one in four malicious attacks are…