“Malicious actors are changing the display names or changing the language in the email looks legit, and you really have to focus on that,” he said of phishing emails. Chiuu said it’s unlikely that all 4,500 city employees will get one, although he said he would be “ecstatic” if they did. The city placed an order for another 500 devices on May 26, potentially doubling the number of users there, said Jeff Phillips, Yubico’s head of public-sector sales. For phones with near field communication, users tap an NFC-enabled YubiKey to authenticate. On a computer, they insert the YubiKey into a USB port and touch it to verify that the user is human. To use it, workers register the key through the security settings of a supported device and select two-factor authentication. When most employees became remote last year due to work-from-home orders, Sacramento distributed more of the devices. He learned about Yubico’s YubiKey, a hardware-based authentication device, at a conference in 2018 and after testing it with IT staff, deployed it to field workers who use virtual-private networks to connect remotely. “All those were really good, but the major challenge that we faced was with a lot of our employees, they don’t receive a city-issued mobile device or receive a stipend, like a tech allowance, so we can’t mandate having these employees use their personal devices to receive just that code,” said Curtis Chiuu, principal systems engineer for the city. IT officials tried various approaches: a one-time password that workers got via a phone call when they needed it, SMS messages that provided several-digit codes and mobile authenticators, or apps that provide one-time use codes to access devices or programs.
About 500 city workers in Sacramento, Calif., are using portable multifactor authentication technology to better protect networks.Īs phishing scams and account takeover attempts targeting city workers increased, the IT department set a goal of implementing more restrictive but easy-to-use security measures and landed on multifactor authentication.
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