Introduction
“Free” often comes with unseen costs, and nowhere is that more evident than online services and tools. From VPNs that spy on users to AI chatbots leaking sensitive data, the hidden dangers of these no-cost offerings are all too real. This post dives into recent examples, helping readers safeguard their digital lives.
1. Malicious Free VPNs Disguised as Privacy Tools
Despite the popularity of free VPNs, deceptive ones continue to proliferate on official platforms.
A recent investigation uncovered a network of fraudulent apps operated by an adtech group active since 2015. These included fake VPNs and “security” apps that had been distributed through Google Play and the Apple App Store. Collectively downloaded millions of times, the apps bombarded users with invasive ads and tricked them into paying for fake subscriptions.
In another case, security researchers exposed spyware known as DCHSpy, tied to the Iranian threat group MuddyWater. The malware was hidden inside apps posing as legitimate VPN services such as EarthVPN, ComodoVPN, and even a fake Starlink app. Once installed, these apps were capable of collecting WhatsApp messages, SMS texts, contacts, files, location data, and even activating cameras and microphones without the user’s knowledge.
Lesson: Even apps in trusted stores can be malicious. Only use VPNs from providers that publish independent audits and clear privacy policies.
2. Free VPNs with Hidden Data Risks
Free VPNs often use business models that put users at risk. Many of these services log browsing data, sell it to advertisers, inject ads into browsing sessions, or even contain hidden malware. Some have been caught hijacking user bandwidth to power other services.
A review by privacy researchers found that several Chinese-owned VPN apps, including Turbo VPN and X-VPN, remain widely available despite concerns they may funnel data to servers under Chinese jurisdiction. This raises both privacy and national security concerns, particularly for U.S. and European users.
3. Free Proxies: Unstable and Untrustworthy
Free web proxies are often unstable and dangerous. A large-scale 30-month study of publicly available free proxies found that fewer than 35 percent were ever active at any point in time. Many of the working proxies contained severe vulnerabilities such as remote code execution and privilege escalation flaws. Even more alarming, nearly 17,000 were found to tamper with or manipulate web content.
In short, relying on a free proxy to protect browsing is not only unreliable but also exposes users to higher risks of malware injection and surveillance.
4. “Free” AI Tools Gone Wrong: DeepSeek’s Data Disaster
Even free AI services can go badly wrong. In early 2025, ByteDance’s chatbot DeepSeek suffered a massive breach when its cloud storage was misconfigured. More than one million internal records were exposed, including sensitive training data.
The fallout was immediate. South Korea’s data regulator banned new downloads of DeepSeek, citing security and privacy risks. Italy’s Competition Authority launched an investigation into how the company handled user information. In the United States, national security officials flagged DeepSeek as a potential risk due to its ties to China.
This case highlights how free AI platforms, while enticing, may not invest sufficiently in security and compliance, leaving users exposed.
5. External Pressures That Undermine Privacy
Even when a free service starts out legitimate, regulatory and geopolitical shifts can force them to compromise privacy.
In the UK, the Online Safety Act came into force in July 2025. It requires age verification for adult content, leading to an increase in the use of VPNs. However, this has created new risks: users are being asked to upload ID documents, phishing attacks are increasing around fake verification portals, and sensitive identity data may be requested by government agencies.
In Switzerland, a proposed encryption law could undermine privacy for millions of users. If passed, it would require service providers to weaken their “no-logs” promises by retaining certain metadata. Companies such as Proton and NymVPN have already stated they may relocate their operations if the law is enacted, since it directly conflicts with their privacy-first commitments.
Conclusion
Free services, from VPNs to AI tools, often come with hidden dangers: data collection, malware, spyware, infrastructure instability, regulatory demands, and geopolitical risks. These examples show how “free” can quickly turn into a costly mistake.
Actionable Takeaways
Watch policy changes: Laws and regulations can erode privacy. Stay informed about changes in the countries where your apps are based.
Verify before you trust: Look for independent audits and transparent privacy policies, especially with privacy-preserving tools.
Stick to reputable providers: Opt for trusted freemium or paid services. For example, some freemium VPNs like Proton VPN Free and PrivadoVPN have earned better reputations because they limit features instead of exploiting user data.
Guard against fake apps: Only download from verified developers. Avoid apps with generic names or from unknown publishers.
Understand your trade-offs: If a tool is “free,” you are often the product. Your personal data becomes the currency.