IHAK measures the performance of equity securities issued by companies involved in cybersecurity and technology, including: cybersecurity hardware, software, products, and services. Revenues are a key factor in determining a companys inclusion in this portfolio those that derive 50% or more of their revenue from such industry make the cut. Some included businesses are customer premises network security equipment producers, enterprise network security software providers, and aerospace and defense IT service manufactures. IHAK covers both developed and emerging markets, and includes all market caps. Moreover, its index is reconstituted annually, rebalanced semi-annually and weighted by market-cap (with individual constituents capped at 4% of the index weight).