A system security document I was editing had blank table of contents entries in Word. This was in Word 2010, but my research indicated it can happen in Word 2007, 2003, and very possibly earlier versions as well.
Since the table of contents is often the first impression of the document, you want to get it right. Many readers will assume that if the table of contents has errors, the rest of the document will too. They may be wrong, but you may not get a chance to prove it.
The particular document I was looking at had two blank entries in the table of contents. When I clicked on the links, they led to the entries right below them in the TOC, making them completely extraneous.
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David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.

