San Diego-based ESET, a developer of antivirus and threat protection software, reported Monday morning that the firm has scored a renewal of a 400,000 license deal for its product. Financial size of that deal was not disclosed. According to ESET, The Ontario Ministry of Education has selected the firm's ESET NOD32 Antivirus software for its network, in a renewal of a license. The deal covers French and English schools in Ontario, Canada.