Completely agree with you adisu01.
Below are the extracts from CIC SOP on security screening. From the face of it, it doesn't sound like an exhaustive process unless something is suspected.
4. Security screening pursuant to section(s) 34, 35 and/or 37 of IRPA
4.1. Mandate of the National Security Screening Division, CBSA
The National Security Screening Division (NSSD) of the International Operations Directorate of CBSA conducts security screening in the context of applications for temporary residence visas, applications for permanent residence visas and claims for refugee protection. In this context only, NSSD provides recommendations on admissibility on national security cases related to section(s) 34, 35 and/or 37 of IRPA as follows:
Security Screening Intelligence Analysis Section
- The Security Screening Intelligence Analysis Section (SSIA) within NSSD is the primary point of contact at the CBSA for all operational screening-related issues pertaining to security screening of applications for permanent residence pursuant to sections(s) 34, 35 and/or 37 or IRPA.
- Officers who suspect that an applicant may be inadmissible pursuant to section(s) 34, 35 and/or 37 of IRPA, but need additional information to make a determination, should send the case to SSIA for in-depth security screening via the - - Global Case Management System (GCMS) for overseas cases as per the instructions in the Immigration Control (IC) Manual – Chapter 1: Security Screening of Permanent Residence Applications.
- When sending a case for security screening, officers should include as much information as possible, including details on adverse information.
Temporary Resident Assessment Intelligence Section
- The Temporary Resident Assessment Intelligence Section (TRAIS) within NSSD is the primary point of contact at the CBSA for all operational screening-related issues pertaining to security screening on admissibility of temporary resident applications pursuant to sections(s) 34, 35 and/or 37 of IRPA, as well as for extensions or changes to valid temporary resident status in Canada.
- Officers who have reason to believe that an applicant may be inadmissible pursuant to section(s) 34, 35 and/or 37 or IRPA, but need additional information to make a determination, should send a security screening request to TRAIS via GCMS as per the instructions in the Immigration Control (IC) Manual – Chapter 2: Security Screening of Temporary Residence Applications.