Table 7.

Validation results of OSINT tools on username research.

i	Subject	Tool's name
		UserSearch	KnowEm	NameVine	LeackCheck	Whatsmyname
1	a*******a	P	FP	P	P	P/FP
2	m*****e	P	FP	P	P	P
3	k*****a	P/FP	FP	P	P	P
4	l*****e	P/FP	P	P	P	P/FP
5	a*******o	P/FP	P/FP	P	P	P/FP
6	m*******e	P/FP	P/FP	P/FP	P/FP	P/FP
7	o*****a	P/FP	FP	P/FP	P/FP	P/FP
8	a*****l	P/FP	NF	P/FP	P/FP	P/FP
9	s******t	P/FP	NF	P/FP	P/FP	P/FP
10	f********a	P/FP	NF	P/FP	P/FP	P/FP

P is a positive result, NF is not found, and FP is a false positive.