Author: Valentyn Havryliuk
Valentyn Havryliuk
Recent posts by Valentyn
LLM Testing Checklist: A Pre-Launch Guide
- June 2, 2026
- 10 min read
Air Canada lost a court case because its chatbot invented a refund policy. The tribunal ruled the airline had to honor what the bot promised. Klarna reversed its AI-first customer service strategy aft...
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Microservices Performance Testing: Why Your Bottleneck Is Almost Never the Service You Think
- May 22, 2026
- 13 min read
Let us face the harsh reality of the modern digital landscape. If your application goes down during a peak traffic event, you are not just losing a few conversions. You are burning through money and c...
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Penetration Testing vs Vulnerability Scanning: Which Do You Need When?
- May 19, 2026
- 10 min read
Not sure whether to run a penetration testing vs vulnerability scanning? Check out this breakdown of what each covers and when to use which....
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How to Upload App to Google Play & Pass Review
- May 4, 2026
- 8 min read
Google blocked 1.75 million policy-violating apps from reaching Google Play in 2025 and banned over 80,000 developer accounts, according to TechCrunch. Every submission now goes through more than 10,0...
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Mobile Game Testing Pre-Launch Checklist: Platform-Specific QA in One Playbook
- April 29, 2026
- 12 min read
You spend months building the game with sharp design and innovative mechanics. Your team is rightfully proud of their work, but then you submit it to the store and get rejected within 48 hours. The re...
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Mobile App Accessibility Checklist: Ship Without Risk
- March 24, 2026
- 9 min read
If users need to put an extra effort to use your app, they won’t. Simple math. When buttons can’t be read by screen readers, or forms break at larger font sizes, people don’t report bugs. They u...
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Top 10 Mobile App Security Testing Tools for Every Type of Testing
- March 12, 2026
- 10 min read
Your mobile app is live. People are downloading it, using it daily, maybe even paying through it. But here's the uncomfortable question: how safe is it, really? This is where mobile application securi...
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Penetration Testing with LLM Agents: Friend or Foe?
- January 19, 2026
- 10 min read
Penetration testing with LLM is becoming more popular, just like everything else powered by AI. The processing capabilities offered by this technology are unprecedented, and its potential only grows a...
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DORA Compliance Checklist: EU’s Regulation for Finance Vendors Explained
- January 16, 2026
- 11 min read
Cyber threats are evolving rapidly, as they are powered by technology, like everything else in our increasingly digital world. With data being the most valuable resource, it’s no wonder that governm...
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Web Application Penetration Testing Checklist
- January 7, 2026
- 14 min read
Web applications have become the backbone of modern business operations. Consequently, they are a primary target for cybercriminals. According to the latest report from Verizon, application attacks an...
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The European Accessibility Act and Accessibility Testing: What You Need to Know
- June 26, 2025
- 6 min read
By June 28, 2025, digital products and services across the European Union (EU) must meet strict accessibility standards—or risk losing market access. The European Accessibility Act (EAA) isn’t jus...
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Manual vs Automated Testing for AI Agents: Which Approach Works Best?
- June 6, 2025
- 10 min read
As more businesses experiment with building AI agents, the need to ensure their quality grows daily. AI testing is unique, requiring additional knowledge and skills specific to this domain....
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DEX Testing Checklist: Ensure Your Exchange’s Reliability & Security
- May 9, 2025
- 5 min read
Decentralized exchanges (DEX) have revolutionized crypto trading by removing central intermediaries, enhancing transparency, and ensuring user control. However, their decentralized nature also brings ...
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Dapp Testing Checklist: How Testing Protects Your Product
- April 15, 2025
- 11 min read
Unlike traditional software, decentralized applications (Dapps) have unique security risks and challenges. Their core smart contracts are vulnerable to exploitation without thorough testing, and their...
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Cross-Chain Functionality Testing Checklist
- February 11, 2025
- 7 min read
Cross-chain operations can fail without rigorous checks. Asset transfers, contract interactions, and multi-network processes all demand careful validation. Below is a concise checklist to ensure that ...
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Rest API Testing Checklist: Improve Your API Reliability
- February 6, 2025
- 11 min read
REST APIs allow different apps to talk to each other and seamlessly exchange data. But just like any complex system, APIs need thorough testing to ensure they function smoothly and securely....
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Top 7 Challenges in Mobile Testing and How to Solve Them
- January 28, 2025
- 7 min read
Quality mobile apps require constant vigilance. Developers face intense market pressure, along with an ever-increasing variety of devices and OS versions. As a mobile testing company, QAwerk has helpe...
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Penetration Testing Frequency: How Often To Conduct a Pen Test
- July 4, 2024
- 10 min read
No one likes reporting on data breaches and reassuring their customers that their data is still in safe hands. That’s why businesses should take proactive actions to enhance their security posture, ...
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Software and Data Integrity Failures: Explanation, Examples, Prevention
- July 3, 2024
- 8 min read
Modern software development practices like Agile, DevOps, and CI/CD have revolutionized the software development landscape with automation and high speed. While this enables faster release cycles, it ...
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Security Logging and Monitoring Failures: Explanation and Examples
- June 24, 2024
- 10 min read
In this age of increasing cyber threats, the security of web applications has become a paramount concern. Malicious entities are always on a lookout for new opportunities like lack of logging and moni...
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What is SSRF (Server-Side Request Forgery)? Examples and Prevention
- December 11, 2023
- 8 min read
Every day, thousands of new vulnerabilities emerge, creating new opportunities for hackers. The bad guys don’t take breaks or vacations! They are actively working to compromise your systems....
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Insecure Design Vulnerability: Explanation and Examples
- July 27, 2023
- 8 min read
In today’s rapid-fire development environments, security can often be a neglected afterthought. Applications that lack effective security controls are low-hanging fruit for threat actors. Thus ...
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Vulnerable and Outdated Components: Explanation, Examples, Prevention
- July 17, 2023
- 11 min read
In the modern digital age, technology is part and parcel of our everyday lives. However, there are serious threats inherent in the use of web applications. Software risks can come from various sources...
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iOS 17 Beta Features and Bugs
- June 9, 2023
- 13 min read
Our QA team prepared a comprehensive overview of iOS 17 beta features and bugs. Read on to see real screenshots and new features in action!...
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What is Cross-Site Scripting (XSS) and How to Prevent It?
- March 17, 2023
- 13 min read
We live in the era of rapid digital transformation with innovative solutions allowing us to perform a wide range of things faster and easier. As technologies continue advancing, hackers and threat act...
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What Is Broken Authentication? Examples and How to Prevent It
- March 6, 2023
- 22 min read
What is broken authentication? What makes a strong password? How can poor session management result in broken authentication? Read on to find out....
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What is Remote File Inclusion (RFI) Vulnerability?
- November 30, 2022
- 11 min read
August 6, 1991. Does the date ring any bells? No, it wasn’t the collapse of the Soviet Union (though you’re close). It was on that otherwise unremarkable summer day that Tim Berners-Lee launched...
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Broken Access Control Vulnerability: Explanation and Examples
- November 9, 2022
- 12 min read
The internet is NOT a safe place. Wonderful in its own right, sure, and useful in more ways than one. But the cyberspace is also filled to the brim with malicious agents: thieves, hackers, countless...
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Security Misconfiguration Vulnerability: Explanation, Examples, Prevention
- November 4, 2022
- 11 min read
They say that programming is the closest thing to magic that we have today. And you know what? They’re right. A few lines of code that look like nothing but gibberish to the uninitiated - and you ...
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What is Local File Inclusion (LFI) Vulnerability?
- November 3, 2022
- 10 min read
Modern web applications are nothing like what they used to be. The practically limitless bandwidth and indefinite storage space that cloud computing offers. The microservices that run circles aro...
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Cryptographic Failure Vulnerability: Explanation and Examples
- November 1, 2022
- 10 min read
They say that he who rules the data rules the world. They also say that knowledge is power. Phrase it any way you want, one thing is certain - information is the hottest commodity these days. Hav...
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Why is Penetration Testing Important?
- December 23, 2021
- 15 min read
Cybercrime today is a massive business. Predicted damages inflicted by it for the year 2021 are totaling 6 trillion USD globally (a quick reminder, a trillion is a million million – yes, that mu...
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What is SQL Injection Vulnerability?
- September 30, 2021
- 18 min read
The rapid development of new technologies has given businesses not only a competitive edge and a profitability boost but also a major cybersecurity headache. Nowadays, hackers can perform both manua...
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How to Detect Pegasus Spyware on iOS and Android?
- August 18, 2021
- 15 min read
Pegasus has been in the headlines of major media outlets for a couple of weeks now, resurfacing such burning issues as freedom of expression and privacy concerns. The hype over Pegasus is quite reas...
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