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Magnus Subramani
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Magnus Subramani

Security Correspondent

Magnus Subramani covers cybersecurity for TechReaderDaily — the breaches, the disclosures, and the long tail of footguns that nobody reads about. Oslo-based. He is the reason your CISO has read TRD this morning.

8 articles published Oslo, Norway
  • supply-chain attacks (npm, PyPI, container-base images)
  • appsec and the SAST/DAST/runtime triad
  • ransomware economics and disclosure practices
  • identity and the post-password landscape (passkeys, WebAuthn)
  • the AI-prompt-injection threat surface

Latest from this reporter

Infographic illustrating data center infrastructure defense strategies against ransomware attacks Security · Disclosure

Ransomware Economy Costs Rise as Victims Stay Silent

Ransomware-as-a-service platforms lower the barrier to entry as a negotiator pleads guilty to colluding with BlackCat, exposing the growing chasm between breach detection and public disclosure.

May 13, 2026 · 9 min
A diagram illustrating how static application security testing fits into the software development lifecycle from code through build, test, and deployment stages Application Security · Testing

Invicti Launches DAST-to-SAST Correlation as AI Reshapes AppSec

With Invicti's April 2026 release and free LLM code scanners from Anthropic and OpenAI, a decade of frustration over disjointed application security testing is giving way to rapid integration, making runtime-to-source correlation a likely industry standard.

May 12, 2026 · 9 min
Diagram illustrating how a prompt injection attack is carried out against an AI agent, showing the attacker embedding malicious instructions within content the agent retrieves. Security · AI Threat Surface

Prompt Injection Attacks Now Hit AI Agents in the Wild

Google's security team scanned billions of web pages and found active payloads targeting enterprise AI agents, revealing a vast attack surface of crude but effective threats that defenders are racing to secure.

May 11, 2026 · 9 min
Security · Supply Chain

Supply Chain Attacks Target Developer Workstations in 2026

From a backdoored Daemon Tools installer to a Linux RAT that steals SSH keys, attackers are now targeting developer workstations to steal code-signing credentials and push trusted updates.

May 10, 2026 · 8 min
CVE-2026-21520 | Copilot Studio Information Disclosure Vulnerability Security · Threat Surface

Prompt Injection Bypasses Patched CVE-2026-21520 in Copilot Agents

Capsule Security's retest of a Microsoft-patched Copilot Studio agent proved that prompt injection still exfiltrates data, exposing the same attack surface across AI coding agents, autonomous SOC tools, and web-navigating assistants.

May 9, 2026 · 4 min