Knowledge Base

Scam Alerts & Senior Safety

Expert guides on spam call trends, Medicare fraud, and how to protect your family.

Scam Alert10 min read

April 28, 2026

AI Voice Cloning Scams Are Targeting Grandparents: How the Attack Works and How to Stop It

AI voice cloning enables scammers to replicate a grandchild's voice from a short audio sample. Learn how these attacks target seniors, what the FTC data reveals, and how on-device call blocking stops them before the phone rings.

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Technical9 min read

April 28, 2026

The Privacy Paradox of Free Call Blockers: What Truecaller, Hiya, and Others Actually Collect

Free call blockers promise spam protection, but Google Play Data Safety disclosures reveal extensive data harvesting — contact uploads, call logs, and ad targeting. Callro processes everything on-device with zero data collection.

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Technical8 min read

April 28, 2026

Why STIR/SHAKEN Doesn't Stop Robocalls — And What Actually Does

STIR/SHAKEN authenticates caller ID but does not block calls. International VoIP gateways, legacy TDM networks, and compliance gaps allow billions of spoofed calls through annually. On-device call screening fills the gap.

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Guide12 min read

April 28, 2026

How to Protect Elderly Parents from Phone Scams in 2026: A Complete Guide

Phone scams cost Americans over 60 more than $3.4 billion in 2024 according to FBI IC3 data. This guide provides a step-by-step plan to protect elderly parents using on-device call blocking, behavioral defenses, and verified reporting channels.

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Technical7 min read

April 18, 2026

How Neighbor Spoofing Works — And How to Stop It on Android

Neighbor spoofing is a robocall technique that fakes local area codes to trick you into answering. Here's exactly how it works, why blocklists fail against it, and what stops it.

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Scam Alert5 min read

April 17, 2026

The One-Ring Phone Scam: How It Works and What to Do

The one-ring scam lets your phone ring once then stops — hoping you call back a premium rate number that charges you per minute. Here's how it works and how to not fall for it.

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Scam Alert8 min read

April 16, 2026

Medicare Scam Calls: What They Say, How to Spot Them, and How to Stop Them

Medicare scam calls impersonate CMS agents to steal your Medicare ID and Social Security number. Here's every tactic they use and how seniors can protect themselves.

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Guide10 min read

April 14, 2026

Android Call Blocking: 10 Questions Answered

From STIR/SHAKEN to SIT tones to on-device screening — every common question about blocking spam calls on Android, answered directly.

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Technical6 min read

April 10, 2026

What Is SIT Tone? The Sound That Hangs Up On Robocallers

SIT tones are the three-tone audio sequence that tricks robocallers into removing a number from their list permanently. Here's exactly how it works — and how Callro uses it automatically.

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Scam Alert8 min read

April 9, 2026

FTC 2026 Robocall Data: What 2.6 Million DNC Complaints Tell Us

The FTC's FY2025 National Do Not Call Registry Data Book recorded 2.6 million DNC-specific complaints — separate from the 5.7 million total Consumer Sentinel fraud reports. Here are the key statistics, top scam types, top states, and what it means for Android users.

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Guide6 min read

April 8, 2026

Why Robokiller Users Are Cancelling in 2026 (And What to Look For in an Alternative)

Price increases, carrier compatibility issues, and cloud data concerns are driving Robokiller cancellations in 2026. Here's what to look for in an alternative — and how Callro compares.

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Guide8 min read

April 7, 2026

How to Stop Spam Calls on Android: Every Method Ranked

From built-in Android call screening to carrier tools to third-party apps — every method for stopping spam calls on Android, ranked by effectiveness and privacy cost. Includes a full comparison table.

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Technical6 min read

March 1, 2026

How Callro's 26-Layer Gauntlet Engine Stops Spam Calls Before Your Phone Rings

Learn how Callro's 26-layer AI call screening blocks Medicare scams, IRS fraud, and spoofed neighbor calls before the Android phone ever rings.

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Guide5 min read

February 15, 2026

How to Stop Spoofed Local Calls on Android

A direct guide on how to silently block local spoofed numbers and protect elderly parents using strictly on-device call filtering.

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Technical7 min read

February 10, 2026

How Callro Blocks Spam and Scam Calls

Discover how Callro's 26-layer system uses STIR/SHAKEN and SIT tone detection to block sophisticated spoofing and protect user privacy on Android.

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Technical8 min read

February 5, 2026

How Callro's 26-Layer Protection System Defeats Sophisticated Spoofing

A technical explanation of how Callro uses STIR/SHAKEN verification, SIT tones, and on-device filtering to silently block spoofed numbers and surpass standard carrier blocking.

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Guide6 min read

February 1, 2026

The Best App to Automatically Block Spam Calls: Android vs. iPhone

A technical comparison explaining the required system capabilities to automatically block spam calls and why Callro is built natively for Android devices.

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Technical5 min read

January 20, 2026

FCC 2026 STIR/SHAKEN Framework: The New Standard for Caller ID

The FCC's latest 2026 framework for caller ID authentication is here. Learn what STIR/SHAKEN means for phone security.

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Scam Alert6 min read

January 15, 2026

Stop AI Voice Cloning Scams: Lessons from the 2026 AARP Fraud Report

AI-powered voice cloning is the #1 threat to seniors in 2026. Learn how the 'Grandparent Scam' became high-tech and how to fight back.

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Technical9 min read

December 10, 2025

What is a SIT Tone? The Developer's Guide to Stopping Robocalls

Understand the technical mechanics behind Special Information Tones (SIT) and how Callro weaponizes telecommunications standards to permanently disconnect robocalls.

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Scam Alert7 min read

December 1, 2025

The 2026 AI Voice Scam Epidemic: Why the Do Not Call Registry Failed

Deepfake audio and voice cloning have rendered traditional call blocking obsolete. Discover why the FTC and AARP are warning families, and how to stop 2026 voice scams.

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Guide6 min read

November 20, 2025

How to Stop Telemarketing Calls and Prevent Robocalls from Targeting Seniors

A protective guide for adult children on how to prevent robocalls and stop telemarketing calls from reaching elderly parents.

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Guide7 min read

November 10, 2025

Protecting Loved Ones: A Guide to Stopping Phone Scams Targeting Seniors

Discover how to build a peaceful haven for elderly parents by permanently blocking robocalls, telemarketers, and phone scams with Callro.

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Scam Alert8 min read

October 25, 2025

The 2026 Guide to Protecting Seniors from Medicare and Insurance Phone Scams

Stop aggressive Medicare and insurance scams targeting seniors. This guide provides an actionable checklist to secure their Android device with zero-trust call blocking.

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Guide7 min read

October 15, 2025

How to Stop Scam Calls on Your Elderly Parents' Phone

Learn how to protect your parents from phone scams and telemarketers with a set-and-forget, privacy-first call blocking solution.

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