Arjun.
Security Researcher and AI Safety specialist. Focuses on LLM red-teaming, prompt injection defense, and the intersection of cybersecurity and generative AI.
All Articles by Arjun
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On-Device AI Privacy: Apple vs Google's Real Cloud Tradeoffs
Apple's Private Cloud Compute and Android's AICore promise on-device AI privacy. We verify what stays local, what triggers cloud fallback, and how to judge the claims.
Whonix vs Tails OS: Which Anonymity OS Should You Use?
Whonix and Tails both route traffic through Tor, but they solve different problems. Compare architecture, threat models, setup, and which one fits your situation.
NVIDIA AgentBreaker: Open-Source AI Red Teaming at Black Hat 2026
Unveiled at Black Hat 2026, NVIDIA's AgentBreaker uses fine-tuned open-source LLMs to audit AI agents and tool integrations for 100x lower cost.
Black Hat 2026: Inside ScamBuster Open-Source AI Phishing Trap
Filigran's open-source ScamBuster AI turns phishing defense active—engaging scammers, wasting their time, and extracting IBANs, crypto wallets, and IoCs.
Chrome Extension, MCP & Security in page-agent
Build Manifest V3 Chrome extensions with Alibaba's page-agent, implementing multi-tab workflows, Model Context Protocol, and PII masking.
How to Verify File Integrity: Checksums and GPG Signatures Explained
Learn to verify SHA-256 checksums and GPG signatures on Linux ISOs, open-source releases, and repack hash files before you install anything.
Piracy in 2026: Why Fragmentation Keeps Torrent Traffic Alive
Streaming fragmentation drives torrent demand more than price. Legal alternatives exist but have regional gaps. Enforcement targets operators, not casual users. Here's the actual landscape.
Signal Support Phishing Scam: How to Protect Your Encrypted Backups
Masquerading as Signal Support, hackers are targeting backup recovery keys. Learn how this phishing scam works and how to protect your chats.
Useful Python Scripts to Automate Boring PDF Tasks
Ditch manual PDF editors. Learn how to merge, split, extract tables, redact sensitive data, and audit massive PDF directories using 5 simple Python scripts.
The Dark Side of AI: Bias, Privacy, and Security Risks
AI promises automation, but it comes with a shadow side. An in-depth security analysis of algorithmic bias, data privacy threats, and security vulnerabilities.
Developer Career Guide 2026: Skills, Salaries, and Strategy
Complete career guide for software developers in 2026. Salary benchmarks for India and global markets, skill demand ranking, job search strategy, portfolio building, and navigating the AI transition.
AWS IAM Policies & Boundaries Cheatsheet: The Complete Reference
Master advanced AWS security: IAM policy structure, Permissions Boundaries, Attribute-Based Access Control (ABAC), and Service Control Policies (SCPs).
AWS DynamoDB Single-Table Design Cheatsheet: The Complete Reference
Model relational data in NoSQL: DynamoDB single-table design, partition keys, sort keys, Global Secondary Indexes (GSIs), and transactional patterns.
10 Best Torrenting Sites of 2026: Privacy, Speed, and Safety Ranked
An informational look at the 10 most visited torrenting sites of 2026, ranked by traffic, moderation quality, and privacy risk, with VPN safety recommendations.
Securing Hermes Agent: Zero-CVE Architecture & Best Practices
Hermes Agent has zero reported CVEs. Here's why it's inherently more secure than OpenClaw, and how to keep it that way.
Passkeys Cheat Sheet: The Ultimate Guide to Passwordless Security
Master the transition to passkeys with this comprehensive cheat sheet. Learn how to set up, manage, and secure your accounts without passwords in 2026.
IRS Dirty Dozen 2026: The Definitive Guide to This Year's Tax Scams
From AI voice cloning to 'Ghost' preparers and Form 2439 abuse, here is the complete breakdown of the 2026 IRS Dirty Dozen scams and how to stay safe.
AI-Powered Phishing: Why You Can No Longer Trust Your Inbox
Phishing isn't about typos anymore. It's about perfect LLM lures and deepfake voices that sound exactly like your boss. Here is how I protect systems in 2026.
How to Audit What Data Your Apps Are Sending
Learn to audit app network traffic on macOS, Linux, and mobile. Use mitmproxy, Wireshark, and Charles Proxy to see exactly what data your apps are sending.
AI Is Now Fighting AI in Cybersecurity
RSAC 2026 insight: Humans can't secure AI systems alone. Discover the new model of AI agents auditing each other with human oversight to handle machine speed.
AI vs. AI: The Complete 2026 Guide to Killing Phishing and Scams
Protect yourself from AI-powered scams, voice cloning, and phishing. Learn to use smart tools and defense strategies to secure your identity and money in 2026.
Spotting Deepfake Video in Real-Time: A 2026 Guide for Remote Workers
Learn to spot real-time deepfakes on Zoom and Teams. Use AI verification overlays and behavioral 'glitch tests' to detect scammers impersonating staff.
Real-Time AI Phishing Detection: Stop Clicking Bad Links in 2026
Stop clicking malicious links with AI phishing detection. Learn how security agents detect 'Intent Divergence' to block sophisticated scams instantly in 2026.
AI-Driven Financial Security: Stop Scammers in Real-Time
Stop financial scams in real-time with AI transaction monitoring. Detect fraudulent merchants and high-risk wallets before you authorize any payments.
Stopping AI DM Scams on LinkedIn, Twitter, and WhatsApp
Learn to stop AI-driven DM scams on LinkedIn and WhatsApp. Use sentiment analysis and filters to detect 'Scam Vibes' from fake recruiters and crypto bots.
The 2026 Guide to Killing Voice-Clones and Deepfake Calls
Protect your family from voice-cloning scams. Learn to use AI call screening and challenge-response protocols to verify deepfake calls in just 30 seconds.