The Nessus Security Scanner was used to assess the security of 21 hosts
| Host name | Notes |
| abel.mat.ufpb.br | (found 4 security holes) |
| labmat.mat.ufpb.br | (found 4 security holes) |
| mat60.mat.ufpb.br | (found 2 security holes) |
| 150.165.135.2 | (found 1 security hole) |
| 150.165.135.8 | (found 1 security hole) |
| mat15.mat.ufpb.br | (found 1 security hole) |
| 150.165.135.4 | (found 1 security hole) |
| mat44.mat.ufpb.br | (found 1 security hole) |
| mat55.mat.ufpb.br | (found 1 security hole) |
| mat59.mat.ufpb.br | (found 1 security hole) |
| mat51.mat.ufpb.br | (found 1 security hole) |
| 150.165.135.201 | (found 1 security hole) |
| 150.165.135.193 | (found 6 security warnings) |
| mat11.mat.ufpb.br | (found 3 security warnings) |
| mat31.mat.ufpb.br | (found 3 security warnings) |
| mat33.mat.ufpb.br | (found 3 security warnings) |
| mat14.mat.ufpb.br | (found 2 security warnings) |
| 150.165.135.10 | (found 1 security warning) |
| mat34.mat.ufpb.br | (found 1 security warning) |
| mat41.mat.ufpb.br | (found 1 security warning) |
| mat53.mat.ufpb.br | (found 1 security warning) |