On April 2, 2003, McAfee acquired IntruVert Networks for $100 million. According to Network World, “IntruVert’s technology focus is on intrusion-prevention, which entails not just detecting attacks, but blocking them. The IntruVert product line can be used as a passive intrusion-detection system, just watching and reporting, or it can be used in the intrusion-prevention mode of blocking a perceived attack.”
In August 2004, McAfee agreed to acquire Foundstone, a vendor of security consulting, training, and vulnerability management software, for $86 million.
On April 5, 2006, McAfee bought out SiteAdvisor for a reputed $70 million. in competition with Symantec, a service that warns users if downloading software or filling out forms on a site may obtain malware or spam.
On June 6, 2006, McAfee announced that it would acquire Preventsys, a California-based company offering security risk management products. The acquisition cost McAfee under $10 million.
On October 16, 2006, McAfee announced that it would acquire Israel based Onigma Ltd for $20 million. Onigma provides host-based data leakage protection software that prevents intentional and unintentional leakage of sensitive data by internal users.
SafeBoot Holding B.V.
On October 8, 2007, McAfee announced it would acquire SafeBoot Holding B.V. for $350 million. SafeBoot provided mobile data security solutions that protected data, devices, and networks against the risk associated with loss, theft, and unauthorized access. Through the acquisition, McAfee became the only vendor to deliver endpoint, network, web, email and data security, as well as risk and compliance solutions. Gerhard Watzinger, CEO of SafeBoot, joined McAfee to lead the Data Protection product business unit. The deal closed on November 19, 2007.