These tools guard your smart gadgets and your identity. Getty Images By Lisa Gerstner, Contributing Editor From Kiplinger's Personal Finance Cybersecurity was a hot topic at this year’s CES, the annual consumer electronics showcase in Las Vegas. We hit the show’s floor to find new products and services that could affect your financial life. SEE ALSO: The 10 Best Tech Stocks of All Time Smart-home guards. Internet-connected devices, from baby monitors to smart TVs, are vulnerable to hacking and malware. The Bitdefender Box 2 ($250, plus $99 annual subscription fee after the first year) and the Norton Core wireless router ($280, plus $10 monthly subscription fee after the first year) monitor your home’s connected devices for suspicious activity and provide antivirus protection. Visual password protection. A string of letters, numbers and symbols is hard to remember. Images are easier to recall. That’s the idea behind Valt, a password-management app (available for iOS) that guides you through nine images when you sign up. To log in, you must select those pictures from a series of several images rather than enter a password. Connected payment card. Wallet Card stores multiple credit, debit and prepaid cards from a bank on a single payment card. If one card number is compromised, the issuer can replace it instantly using a cellular connection. Wallet Card hasn’t announced any participating U.S. banks, but partnerships may be on the way. Please Note: Links to products and services mentioned in this feature may be affiliate links. These business relationships played no role in the independent judgments and recommendations of the Kiplinger editorial staff. For more valuable offers from our merchant partners, visit our Marketplace.