Vishing in Spanje: zo bescherm je jezelf tegen telefoonfraude
28% of calls in Spain are fraud or spam. Learn about the Si fraud, double-call scam, and government anti-fraud measures.

Vishing in Spanje: zo bescherm je jezelf tegen telefoonfraude
Phone call fraud -- known as vishing -- has reached alarming levels in Spain. An estimated 28% of all phone calls are fraud or spam, meaning nearly 3 in 10 calls you receive could be an attempt to scam you.
The Scale of Vishing in Spain
- 28% of calls are fraud or spam (3 in 10)
- "Si" fraud records voice confirmation for unauthorized contracts
- Double-call scam: first call hangs up, second impersonates your carrier
- Government approved anti-fraud measures in February 2025, blocking international-origin calls with Spanish numbers
Common Vishing Techniques
| Technique | How It Works | Target |
|---|---|---|
| "Si" fraud | Records you saying "yes" for fake contracts | All phone users |
| Bank impersonation | Caller claims to be your bank's fraud dept | Bank customers |
| Tech support scam | Claims your device is infected | Elderly people |
| Double-call scam | First call drops, second is the scam | Carrier customers |
| Police/government | Claims you owe fines or face arrest | Everyone |
The "Si" Fraud Explained
This particularly insidious scam works by getting you to say "si" (yes) during a phone call. The scammer records your voice confirmation and uses it to authorize contracts, subscriptions, or financial transactions in your name.
How to Avoid It
- Never answer phone calls with "si" -- say "digame" or "hola" instead
- If a caller asks "Can you hear me?" hang up immediately
- Never confirm personal details to an incoming caller
Government Anti-Fraud Measures (2025)
In February 2025, the Spanish government approved new anti-fraud measures:
- Blocking international calls that display Spanish phone numbers
- Requiring telecom operators to verify caller identity
- Stricter penalties for phone fraud operations
How to Verify Caller Identity
When someone calls claiming to be from your bank, utility company, or government agency:
- Hang up the call
- Find the official number on the organization's website or your statements
- Call back directly using the official number
- Never provide personal information to incoming callers
For sensitive communications, use a secure channel. LOCK.PUB lets you create encrypted chat rooms where you can verify identities safely, without exposing personal details over a phone call.
Reporting Vishing
| Step | Action | Contact |
|---|---|---|
| 1 | Document the call | Note number, time, what was said |
| 2 | Report to police | Policia Nacional or Guardia Civil |
| 3 | Report to INCIBE | Call 017 (free helpline) |
| 4 | Block the number | Through your phone settings |
| 5 | Alert your bank | If financial info was shared |
Use Secure Channels Instead
Rather than sharing sensitive information over phone calls -- where you can never be sure who is really on the other end -- use LOCK.PUB to create password-protected links or encrypted chat rooms. Verify identity first through a trusted channel, then share information securely.
Phone fraud in Spain is a growing problem, but awareness is your best defense. Never trust an incoming call that asks for personal information, and always verify through official channels.
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