In 1996, McAfee acquired Calgary, Alberta, Canada-based FSA Corporation, which helped the company diversify its security offerings away from just client-based antivirus software by bringing on board its own network and desktop encryption technologies.

The FSA team also oversaw the creation of a number of other technologies that were leading edge at the time, including firewall, file encryption, and public key infrastructure product lines.

[15] At the end of 2000, CEO Bill Larson, President Peter Watkins, and CFO Prabhat Goyal all resigned after the company sustained losses.

[21] In 2006, Dale Fuller became interim CEO when Samenuk resigned and President Kevin Weiss was fired after the company was accused of questionable stock options practices.

[26][27] In September 2016, Intel announced their strategic partnership with TPG to turn McAfee into an independent cyber-security company as a joint venture.

[35] In 2018, McAfee also expanded its Security Innovation Alliance partnerships to include companies such as Atos, CyberX, Fidelis Cyber-security, Aujas, and Silver Peak.

[39] In October 2020, McAfee and its shareholders raised $740 million in the initial public offering and valued at about $8.6 billion based on the outstanding shares listed in its prospectus.

McAfee shares were traded on the NASDAQ stock exchange under ticker symbol MCFE, marked its return to the public market after 9 years.

[44] In 2023 Greg Johnson stepped down as CEO and in July 2024 McAfee appointed Craig Boundy as President and Chief Executive Officer.

[45] In October 2022, McAfee partnered with Visa to provide cybersecurity solutions to cardholders worldwide, expanding its reach in consumer protection.

McAfee brands, products and sub-products include: On June 9, 1998, Network Associates agreed to acquire Dr Solomon's Group plc, the leading European manufacturer of antivirus software, for $642 million in stock.

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.

"[64] In August 2004, McAfee agreed to acquire Foundstone, a vendor of security consulting, training, and vulnerability management software, for $86 million.

[65] On April 5, 2006, McAfee bought out SiteAdvisor for a reputed $70 million[66] 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.

Through the acquisition, McAfee became the only vendor to deliver endpoint, network, web, email and data security, as well as risk and compliance solutions.

The acquisition integrated ScanAlert's Hacker Safe service and McAfee's SiteAdvisor rating system to attack website security from both sides.

The acquisition expanded McAfee's business in securing networks and cloud computing services to offer a more comprehensive brand of products.

[78] On July 30, 2009, McAfee announced plans to acquire managed email and web security vendor MX Logic.

[90] On July 8, 2013 McAfee completed the tender offer for Finnish network firewall design company Stonesoft Oyj worth $389 million in cash, or about $6.09 a share.

[98] In July 2019, Uplevel Security, a data analytics company using graph theory and machine learning, announced it had been acquired by McAfee.

[101] Without admitting any wrongdoing, McAfee simultaneously settled the complaint, and agreed to pay a $50 million penalty and rework its accounting practices.

[102] In October 2006, McAfee fired its president Kevin Weiss,[103] and its CEO George Samaneuk resigned under the cloud of a recent SEC investigation which also caused the departure of Kent Roberts, the General Counsel, earlier in the year.

Some jails canceled visitation, and Rhode Island hospitals turned away non-trauma patients at emergency rooms and postponed some elective surgeries.

[110] Australian supermarket Coles reported that 10% (1,100) of its point-of-sales terminals were affected and was forced to shut down stores in both western and southern parts of the country.

[111] As a result of the outage, McAfee implemented additional QA protocols for any releases that directly impacted critical system files.

The company also rolled out additional capabilities in Artemis that provide another level of protection against false positives by leveraging a whitelist of hands-off system files.