I've been in the tech industry, and worked with both women and men for 10 years.

I have never encountered toxicity in this industry.

The only place I encounter true toxicity is on forums, message boards and comments, and in these mediums the toxicity not at all limited to the technology industry.

It's also worth noting that the toxicity, even in these mediums, is limited to a tiny (but vocal) minority, in ratios of which correspond to the larger population's percentage of mentally disturbed individuals.