A selection of sites ranking conferences on computer and security and technology

Computer Science Conference Ranking by NTU, SG

Excellence in Research for Australia rankings of conferences and journals

Arnetminer portal ranking conferences and journals

A ranking site covering information technology to data

Google Scholar Metrics
Google Scholar Metrics for Computer security cryptography

Microsoft Academic Search – Top conferences in security & privacy

Top-ranked Computer Science conferences and journals from Microsoft Academic Search

Computing and Research (CORE) ranking

Adaptivebox site

An alphabetical list of ranked conferences (pdf)