Cybersecurity Trends 2025: The Role of VPN

TL;DR: The defining cybersecurity trends of 2025–2026 are AI-powered attacks (smart phishing and voice deepfakes), the shift to post-quantum cryptography, the growth of vulnerable IoT devices, tighter privacy regulation, and the Zero Trust model. A VPN doesn't cover all of them: it won't stop phishing, cure a virus, or set up 2FA for you. But it closes the network layer — it encrypts traffic, hides your real IP, and removes interception on untrusted networks, DNS tampering, and ISP surveillance. In modern security a VPN works not instead of other tools but as one mandatory layer.

Why defense is no longer a single setting

Cybersecurity has become an everyday skill because the attack surface has grown many times over. Ten years ago the average person had one internet-connected device — a computer. Today it's a smartphone, a laptop, a watch, a TV, a speaker, a camera, and a dozen cloud accounts, and an attacker only needs one weak point.

At the same time attacks got cheap and mass-produced. A shadow industry sells tools as a service (cybercrime-as-a-service): ready-made phishing kits, botnet rentals, leaked-data databases. A scammer doesn't need to target you specifically — it's more profitable to work a stream of victims, of whom a small percentage of the inattentive convert. And AI removed the signs that used to give deception away: clumsy email language, an unnatural voice, a crude fake site are now done flawlessly by a machine. That shifts defense from "spot the fake" to "don't end up in a situation where you have to spot the fake."

The main takeaway: security is not one tool but a system of layers. An antivirus won't save you from phishing, a VPN won't save you from a virus, and 2FA won't help if you read the code out to a scammer yourself. Only the combination works. Below are the key trends, and under each we honestly show which layer of defense it requires and where a VPN fits in. If you're new to the topic, it helps to first read a plain explainer on what a VPN is.

AI on the attackers' side

The most visible trend is the mass use of AI in attacks. Classic phishing was recognized by crude signs: text errors, impersonal greetings, a strange sender address. Generative models removed them: the email is written in fluent language, addresses you by name, references a real purchase or a service you use, and imitates a company's style. The personalization data comes from leaked databases. The volume of such phishing is no longer limited by manual labor — a model generates thousands of unique emails in minutes, so the chance of receiving a convincing fake has risen for every user, not just "valuable" targets like executives.

The second front is voice and video synthesis. Modern tools clone a voice from a short sample, and a call "from a relative in trouble" or "from the bank's security service" sounds convincing. Video deepfakes are already used against businesses — fake video calls "from the boss" asking to urgently transfer money.

The boundary matters: against AI phishing and deepfakes a VPN is useless. This is an attack on your attention and trust, not on your network traffic. Other layers work here — critical thinking, re-checking incoming requests through an independent channel, two-factor authentication, and the rule "banks and government services never ask for codes and passwords." A VPN comes into play only when the deception didn't work and the attacker tries to intercept your data technically — on the network.

Post-quantum cryptography

A trend not yet visible to the ordinary user but set to define the coming decade is the shift to post-quantum cryptography. Most modern encryption (including bank payments and VPN tunnels) is based on math problems that can't be solved in reasonable time on an ordinary computer, but a sufficiently powerful quantum computer could theoretically break some of these algorithms far faster.

Such a computer doesn't yet exist, and the timing of its arrival is unknown. The threat is relevant because of the "harvest now, decrypt later" strategy: encrypted traffic intercepted today can be saved and decrypted years later. For data with a long shelf life — medical records, state secrets, long-term contracts — that's a real problem. For everyday VPN traffic the risk is more theoretical: your session today is unlikely to interest anyone a decade from now.

The industry's answer is post-quantum algorithms. In 2024 NIST approved the first such standards (among them a key-encapsulation algorithm based on lattice cryptography). The transition goes through hybrid key exchange: a connection is protected by a classical and a post-quantum algorithm at once, so both must be broken together. Modern protocols are gradually adding such schemes. In practice nothing urgent is required of you today, but when choosing services it's worth noting whether the provider is moving toward post-quantum protection — a sign the infrastructure looks to the future. How encryption works in modern tunnels we covered in our article on the WireGuard protocol.

IoT growth and the attack surface

The Internet of Things — smart lights, plugs, cameras, locks, speakers — has entered homes en masse. Each such device is a full-fledged computer with network access, and far from always a secure one: makers of cheap gadgets cut corners, ship default passwords, and rarely release firmware updates.

A hacked IoT device is a risk not only to itself. A camera or light can become a foothold for an attack on the rest of the home network, where devices trust each other. Millions of hacked gadgets are pooled into botnets — networks for large-scale attacks, spam, and mining. A VPN helps in a limited way: it won't protect the gadget itself (a light doesn't travel through your phone's VPN tunnel), but on your main devices it isolates their traffic and reduces the risk of interception. Full IoT protection is other measures:

• Change default passwords right after installing any smart device — "admin/admin" pairs are known to everyone.
• Put IoT on a separate guest network — most routers allow it; keep smart gear apart from phones and computers.
• Update firmware where possible, and avoid makers who never release updates at all.
• Disable the extras — unused remote access or cloud on a camera is just extra attack surface.

Tightening privacy regulation

Alongside the threats, regulation is growing. Europe's GDPR set the tone, and its approach — the user has the right to know what data is collected and to control it — has spread worldwide. But regulation cuts both ways: it obliges companies to protect data better, while in parallel state control over the internet grows in many countries (log retention, site blocks, attempts to weaken encryption). Formally privacy rights expand; in fact online actions are watched ever more closely.

This is where a VPN's role is most honest. It doesn't make you absolutely anonymous — that's a myth — but it genuinely limits the volume of data your ISP collects. Without a VPN the ISP sees which sites you connect to, when and how often; these metadata accumulate and can be used for profiling. A VPN hides the picture inside the tunnel: the ISP sees only the fact of a connection to a VPN server. We covered the mechanism in our piece on how a VPN protects from ISP tracking. The key nuance is trust in the service itself: you shift trust from the ISP to the VPN operator, so a no-logs policy is critical. LiMP keeps no logs of your activity by design — that's the foundation of honest privacy, not a promise of "total anonymity."

Zero Trust: "trust no one"

At the corporate level the main shift is the move to Zero Trust. The old model was built like a castle with a moat: an outer perimeter (the corporate network) inside which everything is trusted; but once an attacker breaches the perimeter, they get free rein inside. Zero Trust abandons the trusted perimeter altogether: trust nothing by default, verify every request regardless of whether it comes from inside or outside. Technically it's implemented through ZTNA, which is replacing the classic corporate VPN in large organizations: ZTNA grants access only to the specific application, not the whole network at once.

For the ordinary user Zero Trust is useful as a mindset: don't trust an incoming call even if it knows your details; don't trust a link even if the email looks real; don't trust the network you connected to. A personal VPN is the practical embodiment of distrust toward the network: you assume any network is potentially hostile and encrypt traffic regardless of how "safe" it seems.

Convergence: the VPN as part of comprehensive protection

The market is moving from narrow products to comprehensive solutions, where several security functions are bundled in one app. A VPN increasingly comes paired with ad and tracker blocking, malicious-domain protection, and leak monitoring: it's more convenient to close several layers with one tool. At the DNS-filtering level a VPN can block advertising and tracking domains and stop a device from reaching a known phishing site — a layer against the AI phishing from the first trend. A service that checks your emails and phone numbers against leaked-data databases helps you react quickly.

Stay sober, though: convergence doesn't mean one product covers everything. A DNS filter reduces risk but doesn't replace attentiveness; tracker blocking improves privacy but doesn't make you invisible. Its value is convenience and having several layers on by default. LiMP keeps honest positioning: a VPN is a reliable layer of encryption and privacy on iOS and Android, not "universal protection from everything."

Where a VPN actually sits in the security stack

Security's main enemy is a false sense of safety. Someone who thinks "I bought a VPN and now I'm safe" is more vulnerable than someone who understands the tool's real limits. A VPN is a network layer: it works with traffic (encrypts it, hides the IP, prevents interception on someone else's network, conceals activity from the ISP), but it doesn't work with what happens on the device (viruses, keyloggers) or with your decisions (phishing, entering data on a fake site). Let's match the key threat trends against whether a VPN helps and what's needed in addition:

A VPN is irreplaceable in its layer and useless outside it — not a flaw but a specialization. If you want to understand how a VPN differs from related tools, our piece on the difference between VPN, proxy and Tor helps.

Personal cybersecurity checklist

These eight actions cover most real scenarios, require no special knowledge or large costs, and make an attack on you unprofitable:

• Get a password manager and change repeated passwords to unique ones, especially for the bank, your main email, and the manager itself — this closes credential stuffing after other people's leaks.
• Enable 2FA everywhere it's available, preferably via an authenticator app rather than SMS.
• Don't trust incoming requests "from the bank," "from the security service," "from a relative" — call back the official number yourself.
• Use a VPN on any untrusted networks — turn it on before opening important apps on public and other people's Wi-Fi.
• Update promptly your OS and apps — most mass attacks exploit already-known vulnerabilities.
• Tidy up your IoT — change default passwords, move devices to a guest network, disable the extras.
• Set up alerts for financial transactions and periodically check whether your emails and phone numbers turned up in leaks.
• Install apps only from official stores and be cautious about the permissions they request.

If you're choosing a VPN as one layer of this system, the criteria from our guide on how to choose a VPN in 2026 will help.

The bottom line

Threats have become smarter, cheaper, and more mass-produced, so defense can no longer be a single setting — it's a system of several layers, and these trends will only intensify and intertwine in 2026. A VPN occupies a clear place in that system: it covers the network layer and doesn't replace 2FA, antivirus, and attentiveness, but without it protection on any untrusted network stays full of holes. If you're looking for a simple, inexpensive VPN for your smartphone as one of these layers — LiMP costs 100 ₽/month, runs on iOS and Android, keeps no logs of your activity, and uses a modern encryption protocol. Terms and sign-up are on the pricing page.

Frequently asked questions

As an ordinary user, should I worry about the quantum threat?

For everyday VPN traffic — practically no. The "harvest now, decrypt later" strategy is dangerous for data with a long shelf life (medical records, state secrets, contracts), and your ordinary session is unlikely to interest anyone a decade from now. No urgent action is required; a provider's post-quantum readiness is a future-proofing bonus, not a reason to worry today.

If a VPN doesn't protect against phishing and viruses, why is it needed in 2025 at all?

Because it closes a layer nothing else does: traffic on an untrusted network. An antivirus doesn't encrypt your channel on public Wi-Fi, and 2FA doesn't hide from the ISP which sites you visit. A VPN is one mandatory layer of the combination, not a replacement for the others.

Does a double VPN make encryption stronger?

No. The extra hop hides the chain and complicates de-anonymization, but the cipher itself doesn't become cryptographically stronger — strength is determined by the algorithm, not the number of servers. For most users a double VPN is overkill and only slows the connection.

Will a VPN protect my smart devices if it runs on the router?

Partly. A VPN on the router wraps the traffic of all devices behind it, including IoT, in the tunnel and hides it from the ISP. But it doesn't close the gadget's own vulnerabilities (default password, leaky firmware) and doesn't stop an infected device from attacking neighbours inside the network — for that you need a guest network and updates.

Can a single VPN app with ad blocking cover all my security needs?

No. A converged app is convenient because it turns on several layers by default (encryption, DNS filter, leak monitoring), but it doesn't replace a password manager, 2FA, and attentiveness. The value is convenience, not removing the need to think.

Does a VPN hide my activity from sites and apps, or only from the ISP?

Mostly from the ISP and from whoever watches the network between you and the VPN server. The sites themselves still see your activity through accounts, cookies, and behavioural fingerprints, and apps with permissions collect data on the device. A VPN changes your visible IP and hides traffic in the tunnel, but it doesn't make you invisible to services you're logged into.