Today’s funding announcements include software for children’s apps, easy advertising, malware protection and bionic knees:

Ruckus Media lands $3.5M for storybook apps: The developer of mobile apps geared toward children has raised a first round of funding led by Alsop  Louie Partners. The Norwalk, Conn.-based company, which currently offers apps through Apple’s iTunes, plans to expand its offerings to other app stores and platforms with the funding. Ruckus has distributed 15 kid-focused apps since its September launch.

Vurve brings in $4.5M to simplify online advertising: The Palo Alto-based developer of software for managing ad campaigns has raised a first round of funding from Spark Capital, 500 Startups and True Ventures, TechCrunch reports. Based on a user’s budget, the company automatically generates ads on sites like Facebook, Bing and Google, then takes a 15 percent cut of the budget as a fee. The site launched to the public in November.

Cyphort gets $1.2M to prevent cyber crimes: The Santa Clara, Calif.-based company has raised funding to develop software for malware protection, according to a filing with the SEC. Founded in 2008, the startup, still in stealth mode, is developing solutions to protect enterprises and governments from attack.

Tibion raises $10.2M for robotic knees: The developer of bionic devices for stroke victims has raised a second round of funding from Claremont Creek Ventures, Three Arch Partners and Hambrecht & Quist Capital Management. Based in Sunnyvale, Calif., the company’s devices, which are managed by a computer, help users learn to walk again. The company began marketing its device to rehab centers in 2010 and hopes to sell 60 to 70 devices this year.