Tech Tools for Keeping a Digital Eye on EmployeesThese apps and services can help you monitor your staff -- and do it legally.

From protecting your company from theft to ensuring your workplace is free of harassment, there are many reasons business owners might want to monitor the digital footprints of their employees. But doing it right -- legally and ethically -- should be a top priority.

Technologycan support policies to ensure appropriate use of your assets and protect your business. Here are severaltoolsto consider.

Create a technology policy:Get help crafting a technology-use policy with online tools such as the customizable forms offered by the ePolicy Institute. The firm'sform kit($99 one-time fee) can help you outline your rules for using and tracking email and instant messaging, Web surfing and blogging and software downloading on company devices. It also offers atemplate for creating social media policies($49). Make sure your policies also cover employees' use of their own devices while at work and when accessing company data.

Tracking use of computers and smartphones:A slew of products are available for tracking activity on company devices. Be sure to use reputable, reliable and secure software, and avoid anything smacking of spyware or malware.

SpectorSoftmakes products that can record everything that occurs on company devices and provide reports about suspect activity (from $99 for one basic license to $2,875 for a 25-person office). Administrators can direct the software to monitor specific people and give particular managers the right to set policy and review collected data, all of which is encrypted while moving across your systems and when sitting in storage.

Monitoring social media usage:An array of companies has emerged that aim to help companies monitor employee activity on blogs and sites including Facebook, Twitter and LinkedIn, and to enforce their policies. For instance,SocialLogixcan assess the level of social media use -- or abuse -- at your company (one-time fee starting at $2,000), uncover what employees are doing and saying, and alert you to potential problems (about $10 per user per month).

Other companies that monitor social media activity includeActianceandSocialware.

Blocking websites:许多公司s use secure Web gateways or Web filters to monitor employee use of the Web, block malware-laced sites and keep employees from accessing sites in categories of concern -- from news to porn to gambling.

Among the most popular providers of such tools isWebsense(about $50 per user). Other well-regarded providers includeBlue Coat SystemsandMcAfee. Some monitoring programs also offer Web filtering.

Which tools do you use to keep an eye on what goes on in your office?Let us know in the comments section below.