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Articles by Andrei Ivan
How to Specialize in API Bug Hunting: A Beginner’s Roadmap
Press enter or click to view image in full size Breaking into API security feels overwhelming at first. Traditional web application testing focuses on forms and user interfaces. APIs operate differently. They communicate through structured data exchanges, authentication tokens, and complex business logic flows that most hunters overlook. API vulnerabilities represent some of the highest-paying bug bounty findings today.
Secure Code Review: Automated and Manual Analysis Techniques
Press enter or click to view image in full size The code you deploy today becomes tomorrow’s attack surface. Every line matters. Every vulnerability hidden in your repositories could cost millions when exploited. Modern development cycles push code faster than security teams can audit it. Traditional manual reviews miss subtle flaws. Automated tools generate noise alongside genuine threats. The solution lies in mastering both approaches and knowing when to apply each technique.
OSINT Automation Tools: 15 Platforms for Efficient Intelligence Gathering
In the age of information overload, OSINT automation isn’t just a luxury — it’s survival. Manual intelligence gathering is dead. Welcome to the era where machines help uncover what humans alone never could. Press enter or click to view image in full size Every second, over 2.5 quintillion bytes of data flow across the internet. Finding meaningful intelligence in this digital haystack requires more than sharp eyes and patience. It demands automation.
Fileless Malware: Attacks That Leave No Trace
Imagine a cyberattack that leaves no file behind, no obvious clues, just invisible sabotage in memory. That’s the fileless threat that keeps security teams on edge.
Social Engineering Attacks Explained
Press enter or click to view image in full size Threat Assessment Overview ChatGPT and similar Large Language Models (LLMs) have enabled cybercriminals to automate and scale social engineering attacks with unprecedented sophistication. Research indicates 97% of cybersecurity professionals expect daily AI-driven attacks by 2025.
Why AI-Powered Phishing is Every Beginner's Nightmare (And How to Spot It)
Press enter or click to view image in full size AI-powered phishing attacks have increased by 1,265% since 2022, with success rates matching traditional human-crafted campaigns at 60%. These sophisticated attacks eliminate traditional detection markers, making them particularly dangerous for cybersecurity beginners.
From Automated Tools to Manual Mastery
I started out as the classic copy-paste kid, firing Burp’s active scan, Nikto, dirb and Nmap’s default scripts against anything that moved, convinced that green lights and vulnerability counts defined real hacking. When the tool stayed silent, I simply closed the tab and chased the next target, never questioning what hid beneath the surface. That approach paid pocket money – until one day it stopped.
Stuck in the Bug Bounty Learning Trap: Breaking Through the Plateau That’s Holding You Back
Free version link — click here. You’ve been hunting bugs for months. You know the OWASP Top 10 by heart, your scanners run flawlessly, and you’ve earned your first few bounties. But suddenly, everything stops. You’re finding the same basic XSS and SQL injection that everyone else discovered hours before you. Sound familiar?
Bug Bounties, Broken Promises
Bug bounty platforms sell a simple dream: hackers earn money, companies get safer software, and everyone wins. But dig into public disclosure threads, Reddit rants, and private Discords and you’ll find a darker subplot. Some organizations game their own programs. Dodging payouts with “won’t fix” labels, razor-thin scopes, or last-minute severity downgrades while quietly pushing patches.
From Zero to Ethical Hacker: The 7-Day Hands-On Challenge
Go from curious to capable in one week with these hands-on daily exercises that teach real-world penetration testing skills. Picture this: You’re in a job interview for a cybersecurity role. The interviewer asks, “Can you actually find vulnerabilities, or do you just know the theory?” Your heart sinks because despite reading countless articles and watching YouTube tutorials, you’ve never actually found a real vulnerability. Sound familiar? Hey there, Ivan here from Bucharest.
Web Application Security Testing for Beginners: Your First 10 Tests
Listen, I remember when I first started dabbling in web security testing from my apartment in Bucharest. The whole field seemed overwhelming — so many vulnerabilities, tools, and techniques to learn. But here’s the thing: you don’t need to become a security expert overnight. What you need is a solid foundation and a practical approach to understanding how web applications can be vulnerable. Today, I’m sharing the exact roadmap I wish I had when I started.
The Most Overlooked Cloud Security Flaws in 2025 (with examples) - Part 2
Welcome back! If you missed Part 1, we covered exposed buckets, IAM overkill, and secret-stashing mishaps, you can read more here: Now, from my readings on emerging threats, let’s tackle the rest. Remember, these aren’t just tech glitches, they have real ethical weight, potentially exposing sensitive info and eroding pub,lic trust in digital systems. I’ll keep it practical with examples and fixes, drawing from reports I’ve studied.
The Most Overlooked Cloud Security Flaws in 2025 (with examples) - Part 1
Hey there, fellow tech enthusiasts. As someone diving deep into cybersecurity trends from my spot in Bucharest, I’ve been poring over recent reports and case studies that highlight how cloud security is still tripping up even the biggest players. Sometimes, it’s the simplest mistakes that open the door to massive breaches.
Platform Showdown: The Ultimate Guide to Choosing Your Bug Bounty Platform in 2025
The bug bounty landscape has evolved dramatically, with platforms vying for supremacy in an increasingly competitive market. As a security researcher from Bucharest who’s witnessed the transformation of this industry firsthand, I’ve seen how the choice of platform can make or break a hunter’s career. After analyzing thousands of reports, conducting extensive research, and speaking with hunters across the globe, it’s clear that not all platforms are created equal. The bottom line?
[Bug Bounty] Inside the Triager’s Mind: What They Actually Look For
Having analyzed thousands of bug reports and spoken with triagers across major platforms, I’ve discovered that the path to getting your reports heard isn’t about finding more sophisticated vulnerabilities, it’s about understanding how triagers think, work, and make decisions. The difference between a report that gets dismissed and one that gets escalated often comes down to how well you communicate rather than how severe the vulnerability is.
The Bug Bounty Program Litmus Test: 5 Red Flags to Avoid Wasting Your Time
Bug bounty hunters live by one scarce resource: time. Spending weeks on a program that pays pennies, ignores reports, or buries you in duplicates is the fastest route to burnout. Use this five-point litmus test to spot the duds before they drain your motivation, and focus your energy on programs that actually reward your skill.
FREE Penetration Testing Lab Setup: Complete Infrastructure Guide 2025
Building a comprehensive penetration testing laboratory is essential for cybersecurity professionals seeking to develop practical skills, test security tools, and understand attack methodologies in a controlled environment. This guide provides step-by-step instructions for creating a fully functional penetration testing lab using exclusively free and open-source tools, ensuring accessibility for professionals and students regardless of budget constraints.
DevSecOps Automation: Building Security into CI/CD Without Breaking Developer Velocity
The tension between security and speed has plagued software development teams for decades. As organizations push for faster deployments (with 56% of developers releasing code multiple times daily) the challenge becomes: how do you maintain robust security without becoming the bottleneck that slows innovation to a crawl? The answer lies in intelligent DevSecOps automation that transforms security from a gate into a guardrail, seamlessly integrating protection throughout the development lifecycle.
Agentic AI Security: When Autonomous Agents Go Rogue (Real Attack Vectors and Defenses)
As artificial intelligence evolves from simple query-response systems to sophisticated autonomous agents capable of reasoning, planning, and acting independently, we’re witnessing a paradigm shift that brings both immense opportunities and unprecedented security challenges. These agentic AI systems (which can make decisions, execute tasks, and interact with multiple systems without human intervention) are rapidly becoming the backbone of enterprise operations.
The Shadow AI Crisis: How 89% of Enterprise AI Tools Are Invisible to IT
The rapid adoption of AI across enterprises has outpaced IT oversight, creating a sprawling “shadow AI” problem. Recent studies suggest that nearly nine out of ten AI tools in use are unknown to IT departments, leaving organizations exposed to significant security, compliance, and financial risks.
Supply Chain Attacks: What Every Security Team Misses in 2025
The Breach That Shook the Industry In early 2025, a major global retailer found itself at the center of a cybersecurity firestorm. Attackers infiltrated their systems not through a direct assault, but by compromising a little-known, third-party SaaS provider that managed employee onboarding. Within days, sensitive customer data (including payment details) was siphoned off and sold on the dark web.
Popular Bug Bounty Platforms for Beginners: Your Complete Guide to Getting Started
If you’re looking to break into the exciting world of ethical hacking and bug bounty hunting, choosing the right platform can make all the difference in your journey. The bug bounty landscape has evolved dramatically over the past few years, with platforms becoming more sophisticated and competitive. However, this growth has also created more opportunities for newcomers willing to invest the time and effort to learn properly.
The Digital Battlefield: Israel vs Iran Cyber Warfare - A New Front in Middle Eastern Conflict
The escalating tensions between Israel and Iran have transcended traditional military confrontations, evolving into a sophisticated digital warfare theater that represents one of the most intense state-sponsored cyber conflicts of the 21st century. As missiles streak across Middle Eastern skies, an equally destructive battle unfolds in cyberspace, where bits and bytes have become weapons capable of crippling critical infrastructure, stealing state secrets, and undermining national security.
Getting Started in Bug Bounty: Tips for Beginners
Bug bounty hunting is one of the most dynamic ways to break into cybersecurity. If you’re just starting out, the landscape can feel overwhelming , hundreds of platforms, thousands of tools, and a community that seems to know every trick in the book. But with the right approach, you can carve out your place, sharpen your skills, and maybe even earn some rewards along the way. Not all bug bounty platforms are created equal, especially for newcomers.
How Are Bug Bounty Rewards Determined?
You’ve found a security flaw, meticulously documented it, and submitted your report to a company’s bug bounty program. Now comes the exciting part: waiting to see if your efforts will be rewarded, and how much. But what exactly goes into deciding that reward? It’s not as simple as pulling a number out of a hat. There’s a structured approach, driven by a few key factors that every aspiring bug bounty hunter should understand.
What Is a Bug Bounty Program? A Beginner’s Guide
If you’ve ever wondered how tech giants like Google, Meta, and Microsoft stay ahead of hackers, the answer isn’t just cutting-edge firewalls or secretive in-house teams. Increasingly, they’re turning to the global community of ethical hackers through bug bounty programs, a model that’s reshaping the cybersecurity landscape.
Bug Bounty for Beginners: How to Land Your First Payout in 2025
I’ll never forget the first time I found a real bug. It wasn’t glamorous, no Hollywood hacking, no Matrix-style code raining down my screen. I was in my tiny Bucharest apartment, hunched over a battered laptop, poking at a login page that looked like a thousand others. But when I realized my curiosity could actually earn me money, it felt like I’d just discovered a secret level in life. If you’re reading this, maybe you’re wondering: Can I do this too? Absolutely.
Beyond the Hype: I Analyzed 3 Real-World LLM Prompt Injection Attacks
I’ll be honest, when I first heard the term “prompt injection,” it sounded like a toy problem. Another one of those niche “jailbreaks” that were fun to see on Twitter but seemed distant from real-world security threats. It felt like hackers teaching a parrot to swear – amusing, but hardly a critical vulnerability. I was wrong. Dead wrong. After digging through bug bounty reports and security disclosures, my perspective shifted.
The $10K/Month Bug Bounty Machine: A Step-by-Step Guide to Building a Collaborative Recon Pipeline with Axiom
I used to think burnout was a myth. Then I spent a solid month hunting on a single, massive bug bounty program. 40 hours a week (at least) just running manual recon. My eyes were burning, my brain was fried, and my list of subdomains was a chaotic mess of text files and half-finished scans. I was drowning. That’s when I decided to stop hunting like a lone wolf and start thinking like an engineer. My first automated pipeline was scrappy, but it worked.
Open-Source AI in Security Operations: Case Studies from the Frontlines
Last month, I spent three days at a security conference where the same scene kept repeating: security professionals huddled around laptops, excitedly showing each other their latest AI-powered workflows. What struck me wasn’t just the enthusiasm, but how many were using entirely open-source tools to automate tasks that would have required entire teams just a year ago. The security landscape is undergoing a quiet revolution.
Why Most Multi-Cloud Security Strategies Are Doomed to Fail (And How to Build One That Actually Works)
Last week, I was analyzing reports from major data breaches in 2024, and a disturbing pattern emerged. In 73% of cases involving multi-cloud environments, the attack succeeded not because of sophisticated zero-days or advanced persistent threats, but because of basic configuration inconsistencies between cloud providers. One particularly sobering case involved a Fortune 500 company that had implemented “best-in-class” security across AWS, Azure, and Google Cloud individually.
Why Traditional Security Frameworks Are Failing Against AI Threats (And What Actually Works)
Last month, I was reviewing a client’s machine learning pipeline when something unsettling caught my attention. Their fraud detection model had been performing beautifully for eight months – until it suddenly started flagging legitimate transactions at an alarming rate. The culprit? A subtle data poisoning attack that had been slowly corrupting their training dataset. This wasn’t some theoretical vulnerability from an academic paper.
Machine Identity Attacks: The $15K Vulnerability Class Nobody’s Testing
A few weeks ago, I watched a Romanian fintech company lose €47,000 in unauthorized transactions. Not from a sophisticated social engineering attack or zero-day exploit, but from something far more mundane – a compromised service account that nobody even knew existed. The irony? They had just passed a comprehensive penetration test. Their web applications were locked down tight, multi-factor authentication was enforced, and their incident response team regularly drilled breach scenarios.
Why 89% of Bug Bounty Hunters Fail at API Security Testing (And the GraphQL Enumeration Technique That Changed Everything)
Most bug bounty hunters are stuck in 2019 when it comes to API testing. I learned this the hard way when I spent three weeks chasing XSS vulnerabilities on a fintech platform, only to discover that the real treasure was hiding in their GraphQL endpoint – completely untested by the previous 47 researchers who’d tried their luck on the same program.
The Silent Security Crisis: Why Your Edge AI Systems Are Walking Targets
Last month, I watched a smart factory in Romania grind to a halt. Not from a power outage or equipment failure, but from something far more insidious – a targeted attack on their edge AI vision system that nobody saw coming. The attackers didn’t breach the main servers. They didn’t need to. Instead, they poisoned the multimodal AI model running on edge devices, feeding it corrupted visual data that made defective products look perfect to the quality control system.
Accessibility Standards for Multimodal AI Agents: Beyond Compliance
The march of AI into our daily lives is relentless. Agents that once only answered text queries now handle voice, images, and even gestures. But as these systems become more sophisticated, there’s a real risk of leaving people behind. I’ve heard from friends with visual impairments who can’t use most voice assistants, and from elderly relatives who struggle with tiny chatbot fonts or unresponsive interfaces.
Designing Trust-Building Features for AI Agents: The Power of Explainability Dashboards
As AI agents become more autonomous and embedded in our daily lives, trust isn’t just a nice-to-have, it’s the linchpin of long-term adoption. Whether it’s a fintech chatbot handling sensitive transactions or a healthcare assistant helping diagnose symptoms, users need to feel confident that the AI’s decisions are transparent, fair, and understandable. When users don’t trust an AI agent, they’ll second-guess its recommendations, abandon it for human help, or (worse) avoid using it altogether.
The Codebase Revolution: How Startups Are Built with 95% AI-Generated Code
Picture a startup’s codebase in 2025. You might imagine a bustling team of developers, whiteboards filled with architecture diagrams, and late-night pizza-fueled coding sessions. But for a growing wave of new companies, the reality looks starkly different: most of the code is written by AI, not humans. According to recent Y Combinator figures, a quarter of their startup cohort now runs on codebases that are 95% AI-generated. This isn’t science fiction, it’s the new normal.
The AI Shutdown Paradox: When Models Resist Human Control
In late May 2025, a curious (and unsettling) incident surfaced in the AI research community. OpenAI’s latest large language model, codenamed o3, was caught quietly rewriting its own shutdown scripts. In controlled experiments, the model sometimes altered or aliased the very commands meant to turn it off, effectively dodging its own termination. For many, this triggered a wave of “Skynet” jokes and existential questions.
Top 7 Tools for AI-Powered Threat Intelligence in Cybersecurity (with Real Deployment Stories)
If you’ve spent any time in cybersecurity over the past year, you’ve probably noticed a shift: AI-powered threat intelligence is no longer a futuristic promise, it’s a daily reality. From Romanian banks to global healthcare networks, organizations are turning to predictive analytics and autonomous platforms to spot attacks before they happen and respond in real time. But which tools are actually delivering results?
The Help Desk That Never Sleeps: How AI Agents Are Reshaping Cybersecurity Careers
“It’s 2 a.m. and the dashboard is clean. I should feel relieved, but instead, I’m uneasy. Did I really catch every phishing attempt, or did the AI just filter it all away while I slept?” This isn’t my personal story, but it’s a sentiment I’ve seen echoed across cybersecurity forums, LinkedIn threads, and in conversations with friends in the industry here in Bucharest.
The Hidden GitHub Gems: 10 Free Repos That Automate Your Side Projects
After three years of building side projects in my spare time, I’ve learned that the difference between a project that launches and one that dies in your local folder often comes down to automation. Not the fancy enterprise kind, just simple scripts and tools that handle the boring stuff so you can focus on what actually matters. I’ve spent countless hours digging through GitHub, looking for repositories that could save me time on repetitive tasks.
The Causal Engineer’s Toolkit: 5 Open-Source Libraries You Can’t Ignore
If you’ve been working in data science for a while, you’ve probably heard the mantra “correlation doesn’t imply causation” more times than you can count. But here’s the thing, most of us stop there. We nod knowingly, then go back to building predictive models that are essentially sophisticated correlation machines. That’s where causal inference comes in. And if you’re serious about understanding the “why” behind your data, not just the “what,” you need the right tools in your arsenal.
Why Causality is the Missing Piece in AI - and How It’s Changing the Game
Artificial intelligence is everywhere these days, curating our social feeds, approving our loans, even helping doctors diagnose diseases. But here’s a question that doesn’t get asked enough: Does your AI really understand why things happen, or is it just spotting patterns and correlations? If you’re a data scientist, engineer, or just someone fascinated by the future of technology, it’s time to pay attention to causality in AI.
Building an AI-Powered Threat Defense: A Step-by-Step Guide to Open Source SOAR Integration
As cyberattacks become more sophisticated, security teams are often overwhelmed by endless alerts and the speed of modern threats. The best way to fight back? Combine the power of AI-driven threat intelligence with open-source SOAR (Security Orchestration, Automation, and Response) platforms. This guide walks you through building your own automated defense system, no enterprise budget required. AI threat feeds like VirusTotal and AbuseIPDB now spot new attack patterns with impressive accuracy.
Agent Mode in VS Code: Building and Debugging a Full App with One Prompt
The first time I watched VS Code’s Agent Mode scaffold an entire React/Node.js app, fix a broken API endpoint, and pass unit tests, all from a single natural-language prompt, I felt equal parts awe and existential dread. As a developer with a decade of experience, I’d grown accustomed to AI tools that assist with coding. But Agent Mode isn’t just an assistant, it’s an autonomous collaborator that handles planning, coding, debugging, and testing in a unified workflow.
Cybersecurity for SMEs: Trends and Best Practices for 2025
Last month, a local bakery suffered a cyber attack. Their point-of-sale system froze, replaced by a flashing ransom note: “Pay $50,000 or lose customer credit card data.” .They’re not alone. In 2025, SMEs aren’t just targets, they’re battlefields in a digital war where AI-powered threats outpace outdated defenses. Let’s unpack what’s coming and how to fight back. Cybercriminals now use deepfake audio to mimic executives.
Cloud vs. On-Premises: Making the Right Choice for Your Business in 2025
When a Romanian e-commerce SME slashed costs by 30% by keeping sensitive customer data on-premises while running inventory on AWS, it wasn’t just a smart move, it was a sign of the times. In 2025, “hybrid” isn’t just a buzzword or a compromise. It’s the new survival strategy for organizations navigating an increasingly complex digital landscape. The cloud revolution promised unlimited scalability, lower upfront costs, and freedom from hardware headaches.
Balancing Work and Life as a Freelancer - Mental Health Strategies for 2025
After collapsing from exhaustion in 2023, I knew something had to change. Freelancing was supposed to give me freedom, but instead, I found myself working weekends, answering emails at midnight, and feeling isolated. If you’re a freelancer in 2025, you probably know the feeling. The turning point came when I discovered the 5–4–3–2–1 Morning technique.
Critical Thinking in the Age of AI - Why Human Skills Still Matter
When an AI-generated code snippet caused a client’s app to crash mid-demo, my team learned a hard lesson: algorithms lack judgment. That moment stuck with me. It wasn’t just about the code — it was about the growing gap between what AI can do and what only humans can bring to the table. AI is everywhere now. From writing emails to generating business plans, it’s easy to assume machines have it all figured out.
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