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5 posts tagged with "Security"

Articles about security in general

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AI Security Challenges in 2026

· 23 min read
hi120ki
Hiroki Akamatsu

The year 2025 witnessed a continuous cycle of emerging and evolving AI/LLM technologies. Across the industry, various security measures for AI have been advancing. In 2026, AI adoption is expected to expand further, bringing new technologies and demanding corresponding security measures. This article reviews the major topics from 2025, breaks down the anticipated industry-wide challenges in AI Security for 2026 into concrete action items, and summarizes security measures for safely using and providing AI.

Weaponize the MCP - OAuth Phishing and Mitigations

· 8 min read
hi120ki
Hiroki Akamatsu

MCP, an extension layer for AI and LLM systems, now underpins many AI agents. At the same time, multiple attack vectors have been identified that build on this new AI and LLM context. The best known is MCP tool poisoning, where an agent is tricked into running harmful actions. This was discovered because of the combination of nondeterministic LLM behavior and the new concept of shared context.

While new attack methods emerge, long standing attack vectors are also being exposed by unsafe parts of the MCP specification.

MCP Authentication and Authorization: Current State and Future

· 13 min read
hi120ki
Hiroki Akamatsu

As of July 2025, the Model Context Protocol (MCP) has evolved through three major versions (2024-11-05, 2025-03-26, and 2025-06-18). Today, MCP has become an integral part of our daily development workflow, with developers launching MCP servers via npx commands, uv commands, or Docker containers from MCP clients like Cursor, Claude Code, and VS Code, while also connecting to remote MCP servers.