He graduated from Saint Stephens’ College in New Delhi in 1986, with an honors degree in chemistry.
Malik suffered a heart attack on December 28, 2007. He was able to walk into the hospital for treatment that night and has been recovering ever since. He had stated that he was doing well, and has since recovered and started working full-time for his blogs again.
In 1997, Malik was on the original team at Forbes.com led by David Churbuck.
In 1999 he left Forbes.com to work in the venture capital world, serving as an investment manager at Hambrecht & Quist Asia Pacific. His stay there lasted only a few months because he decided he preferred being a writer
In 2000, he moved to San Francisco, California to write for Business 2.0 magazine. In 2001, he started GigaOM, a blog published by GigaOmniMedia, Incorporated. in San Francisco.
The website had a monthly global audience of over 500,000,was among the top 50 blogs worldwide by Technorati Rank, and was part of CNet"s 100 Most Influential Blogs.
His first book, Broadbandits: Inside the $750 Billion Telecom Heist, was released on May 15, 2003. Malik"s writings have also appeared in newspapers and magazines such as The Wall Street Journal, Brandweek, and Crain"s New York Business. Malik announced on June 12, 2006, that he was going to work on GigaOM full-time, although he is still a contributing editor and writes a column for Business 2.0.
In addition to GigaOM, he also writes for the blogs Web Worker Daily and Tablatronic.
On July 25, 2007, Malik started a podcast on Revision3 called The GigaOm Show hosted by himself and Joyce Kim. On March 27, 2008 he put the show on hiatus to focus on other things, among them his health.
The show primarily focuses on technology and business. Malik was also a frequent guest on the former CrankyGeeks podcast with John C. Dvorak.
On March 9, 2015, Malik announced on his blog that GigaOm, the company he left in January 2014, ceased operations and "and its assets are now controlled by the company’s lenders.