For instance, Akamai makes up 3.2% of the First Trust NASDAQ CEA Cybersecurity ETF (NasdaqGM: CIBR), which rose 1.2% on Tuesday. CIBR includes companies involved in the building, implementation, and management of security protocols applied to private and public networks, computers, and mobile devices in order to provide protection of the integrity of data and network operations.

SEE MORE: Cybersecurity ETFs Strengthen as Twitter, Spotify, Netflix, Amazon Suffer Attacks

Cybersecurity ETFs capitalized on the internet’s woes last week after traders looked to companies that could help counter future attacks on big online names. Two successive attacks blocked multiple major websites early Friday, cutting off access to large internet services, like Twitter (NasdaqGS: TWTR), Spotify, Netflix (NasdaqGS: NFLX), Amazon (NasdaqGS: AMZN), Tumblr and Reddit.

The First Trust ISE Cloud Computing Index Fund (NasdaqGM: SKYY) includes a 4.1% tilt toward AKAM and gained 0.8% Tuesday. SKYY follows the ISE Cloud Computing Index, which tracks the performance of companies actively involved in the cloud computing industry or engaged in a business activity supporting or utilizing the cloud computing space.

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First Trust NASDAQ CEA Cybersecurity ETF