The TSP has issued the following warning about an app available through Apple’s app store:
Warning: Apple App store offering TSP App not sanctioned by TSP — A free iPhone App, TSP Funds, currently being offered through the Apple App store asks TSP participants for their account login information. This app is not being offered through the TSP and the TSP does not recommend using this application to access your TSP account. Providing this information could result in a security risk to your account.
For more information on keeping your account safe, see the Security Center on the TSP website or contact the ThriftLine at 1-TSP-YOU-FRST (1-877-968-3778)