Almost everyone has experienced an unexpected call or text from an unknown number. While some turn out to be harmless misdials, many are actually spam or phishing attempts aimed at stealing personal or financial information. In some cases, the scam is obvious—like a caller asking for banking or credit card details—but other times, it’s much harder to tell.
To combat this, tech giants like Apple and Google allow users to mark suspicious calls or texts as spam or junk. Once flagged, your mobile carrier, the device manufacturer, third-party databases, and sometimes even federal bodies like the FCC and FTC, are notified.
On the network side, reported numbers are added to a centralized spam database. That’s why some calls appear on your screen labeled “Spam Likely.” It means that enough users have flagged the number, prompting your carrier to take preventive action. Essentially, every report you make contributes to a safer network for all users.
Modern carriers also use AI and machine learning to detect and block spam activity. For example, Google’s AI-based scam detection system becomes smarter and more accurate the more users report suspicious calls and messages.
Third-party apps like Truecaller, RoboKiller, and Hiya als
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