Origin for each line in SECURITY.md from check-in 5ce5316a33:

5ce5316a33 2021-03-01    1: # Security Information
5ce5316a33 2021-03-01    2: 
5ce5316a33 2021-03-01    3: ## Reporting a Vulnerability
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5ce5316a33 2021-03-01    5: Please visit the author's homepage, [DL2MIE](https://dl2mie.darc.de/), for contact details.