Unfortunately B2B sales tend to have a longer sales cycle so you're definitely in trouble. At this point you probably need some financing and you need some sales. Anything else right now is a distraction.

Sales/marketing advice:

Most security companies partner with MSPs/MSSPs to sell/implement their products. It may make sense to work with them and/or sell to them.

You're currently targeting people at random. Instead of just looking at Directors, it probably makes sense to include CISOs (Chief Information Security Officers) and maybe some devops folks at startups/small companies.

Financing: You may need to look at alternatives to VC such as raising money from friends and family, raising money from smaller angels, getting a small business loan. As others have mentioned, you should look at cutting expenses. You may need to layoff some staff or cut some expenses.