Microsoft

Volume 342, Issue 2 · 10 articles from 2 issues

In This Issue

• The Economics of Agent Optimization: Context Engineering for Enterprise AI Agents
• The Yield Imperative: Turning AI Infrastructure into Useful Intelligence
• Impersonating IT Support: How Threat Actors Turn a Remote Session into Enterprise-Wide Access
• ASCII Smuggling Crosses Over from AI Prompt Injection to Phishing Evasion
• How to Secure Edge AI in Customer-Owned Environments
• Protecting Organizations From AI-Assisted Executive Impersonation and Invoice Fraud
• Accountability, Oversight and AI: Inside Microsoft's Security Transformation
• Passkey-Themed Social Engineering Leads to Identity and Cloud Compromise
• Detect and Disrupt AI-Themed Attacks With Microsoft Defender
• Threat Matrix: Mapping Threats Across Cloud Web Applications

The Economics of Agent Optimization: Context Engineering for Enterprise AI Agents (Microsoft, Wednesday, September 2nd, 2026)

Microsoft's third post on agent economics targets context engineering, often the largest driver of operating cost. Read more

The Yield Imperative: Turning AI Infrastructure into Useful Intelligence (Microsoft, Wednesday, September 2nd, 2026)

Microsoft proposes yield - useful intelligence produced per unit of infrastructure - as the defining measure of AI progress. Read more

Impersonating IT Support: How Threat Actors Turn a Remote Session into Enterprise-Wide Access (Microsoft, Wednesday, September 2nd, 2026)

Microsoft Threat Intelligence tracks attackers abusing Teams external chat to pose as helpdesk staff and seize remote sessions. Read more

ASCII Smuggling Crosses Over from AI Prompt Injection to Phishing Evasion (Microsoft, Thursday, September 3rd, 2026)

Microsoft found phishers using invisible Unicode tag characters, an AI prompt-injection trick, to break up filter keywords. Read more

How to Secure Edge AI in Customer-Owned Environments (Microsoft, Friday, September 4th, 2026)

Microsoft explains how edge AI shifts attestation duties to customers who now own more of the AI stack. Read more

Protecting Organizations From AI-Assisted Executive Impersonation and Invoice Fraud (Microsoft, Thursday, September 10th, 2026)

Over a million emails targeting finance teams with AI-generated executive impersonation and fake ServiceNow invoices. Read more

Accountability, Oversight and AI: Inside Microsoft's Security Transformation (Cybersecurity Dive, Friday, September 11th, 2026)

Microsoft says its Secure Future Initiative has reshaped its security culture after years of embarrassing breaches. Read more

Passkey-Themed Social Engineering Leads to Identity and Cloud Compromise (Microsoft, Wednesday, September 9th, 2026)

Since May 2026 attackers have used passkey and SSO pretexts by phone and SMS to drive victims to phishing sites. Read more

Detect and Disrupt AI-Themed Attacks With Microsoft Defender (Microsoft, Thursday, September 10th, 2026)

Campaigns impersonating ChatGPT, Copilot, DeepSeek and Claude drove a phishing kit sending 100,000 emails daily. Read more

Threat Matrix: Mapping Threats Across Cloud Web Applications (Microsoft, Wednesday, September 9th, 2026)

A MITRE ATT&CK-aligned matrix covering eleven tactics against cloud-hosted web apps and serverless platforms. Read more

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