Cyber & IT Supervisory Forum - Additional Resources

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12.13.1.4 Precautions With Unknown Callers Do not engage with suspicious robocalls. Do not give out personally identifiable information or send money to a third party without verifying the authenticity of the caller. You can double check the authenticity of the caller by looking up their phone number on their website or in a phone book and calling them directly.

Block Unwanted Calls

12.14.1 Your Personal Telephone Number Your personal telephone number is one of your biggest digital exhaust personal vulnerabilities. 263 264 You can decrease this vulnerability by setting up extra security for the phone. 265  If you switch your phone number, often, recycled numbers allow new customers access to old customer information, opening opportunities for a variety of potentially exploitative encounters. 266  Create a security code and/or obfuscate the true number by creating a separate forwarding number. Read about this at the following URL . 267 12.14.2 iPhone: How To Block A Number There are multiple methods of how to block a number on iPhone devices. Before following the steps below, make sure your iPhone is updated.

12.14.2.1 Via Your Call History 

Go to your Phone icon/app.

 Click on the blue? symbol next to the restricted call.  Choose Block this caller to block the specific restricted call.

12.14.2.2 Use Do Not Disturb 

Go to Settings > Do Not Disturb .

 Scroll down to Allow Call From and click on that.  Choose who you want to accept calls from, such as your Favorites or All Contacts .  On the Do Not Disturb page, make sure your other settings are set the way you want them.  Turn on the Do Not Disturb button at the top of the page.

12.14.3 Android: How To Block A Number  Go to your Phone icon.  Click on the restricted call and then the ? symbol (may also say Details ).  Choose Block Number at the bottom of your screen. 268

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