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Articles & Guides

Technical deep-dives, integration guides, and product updates from the TrialKey engineering team.

Featured Article
AI SECURITY8 min read

Securing LLM Agents in Production: What Every Developer Needs to Know

As large language model agents move from experimental to production deployments, security vulnerabilities are emerging faster than most teams can patch them. Prompt injection, data exfiltration, and jailbreaking are no longer theoretical — they are active attack vectors in deployed systems. Here is what the TrialKey security team has learned from scanning over 500 LLM deployments.

LLMSecurityAIProduction
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Author
TrialKey Engineering
Published
April 10, 2026
Read Time
8 min read
LICENSING6 min read

Hardware Fingerprinting for Software Licensing: A Practical Guide

Hardware-bound licenses are the most effective way to prevent unauthorized copying of your software. This guide covers the technical implementation using the TrialKey SDK.

LicensingSDKSecurity
TrialKey Engineering
March 28, 2026
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DEVELOPER TOOLS10 min read

Building IoT Applications with MQTT 5.0 in C++

MQTT 5.0 introduces significant improvements over 3.1.1, including reason codes, user properties, and shared subscriptions. This tutorial walks through integrating the TrialKey MQTT library.

MQTTIoTC++
TrialKey Engineering
March 14, 2026
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LICENSING7 min read

Designing a Trial-to-Paid Conversion Funnel for Desktop Software

Effective trial periods are the difference between a 2% and 12% conversion rate. Learn how to design license expiry flows, feature gating, and upgrade prompts that convert.

LicensingSaaSConversion
TrialKey Team
February 22, 2026
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DEVELOPER TOOLS12 min read

TCP/IP Component Integration: From Zero to Production in 30 Minutes

A step-by-step guide to integrating the TrialKey Network Component Library into a Windows application. Covers async I/O, SSL/TLS setup, and error handling patterns.

TCP/IPComponentsWindows
TrialKey Engineering
February 8, 2026
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PLATFORM9 min read

Running a REST API as a Windows Service with the TrialKey App Server

Embedding a REST API directly into a Windows service eliminates the need for IIS or external web servers. This guide shows you how using the TrialKey Application Server Platform.

RESTWindows ServiceServer
TrialKey Engineering
January 17, 2026
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AI SECURITY11 min read

The 7 Most Common Prompt Injection Patterns and How to Detect Them

Prompt injection remains the most exploited LLM vulnerability in 2026. This technical breakdown covers direct injection, indirect injection via tool outputs, and multi-turn attacks.

Prompt InjectionLLMSecurity
TrialKey Security Team
January 5, 2026
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