Leitold, F.: Vulnerabilities of the usage of digital signature [előadás]
15th Annual EICAR Conference, Hamburg, 2006

Leitold, F.: The solution in the naming chaos
14th Annual EICAR Conference, Malta, 2005

Kárpáti, N.; Leitold, F.: CheckVir anti-virus testing and certification [előadás]
13th Annual EICAR Conference, Luxemburg, 2004

Leitold, F.: Experience of AV testing [előadás]
12th Annual EICAR Conference, Koppenhága, Dánia, 2003

Leitold, F.: Independent AV testing [előadás]
11th Annual EICAR Conference, Berlin, Germany, 2002

Leitold, F.: Reduction of general virus detection problem
10th Annual EICAR Conference, Munich, Germany, 2001

Leitold, F.: Mathematical model of computer viruses [előadás]
9th Annual EICAR Conference, Brussels, Belgium, 2000

Leitold, F.: Mathematical model of computer viruses [előadás]
Proceeding of the 6th International Virus Bulletin Conference, Brighton UK, 1996, pp. 133-148.

Leitold, F.: Automatic Virus Analyser System
Proceeding of the 5th International Virus Bulletin Conference, Boston USA, 1995, pp. 99-107.

Leitold, F.; Csótai, J.: Virus Searching and Killing Language
Proceeding of the 2nd International Virus Bulletin Conference, Edinburgh, 1992, pp. 159-172.

Leitold, F.; Szikora, B.; Pinkola, J.; Rajki, I.; Gál, L.; Barabás, T.:
Computer Integration in the PCB Production
15th International Spring Seminar on Electronics Technology, 1992.

Leitold, F.; Szikora, B.; Németh, P.; Ruszinkó, M.; Szita, G.; Gombás, G.; Illyefalvi-Vitéz, Zs.:
Laboratory background for computer aided design and manufacturing in electronics
15th International Spring Seminar on Electronics Technology, 1992.

Leitold, F.; Szikora, B.: Pixel Chain Code transformation for image processing
15th International Spring Seminar on Electronics Technology, 1992.

Leitold, F.; Szikora, B.; Csótai, J.; Rostás, A.; Tábor, Cs.; Varga, Gy.:
Processing of pictorial information
13th International Spring Seminar on Electronics Technology, 1990.