feat: tipos OSINT para dominio cybersecurity

13 tipos product (person, email, domain, IP, phone, social_media, organization, location, vulnerability, malware, crypto_wallet, document, event) para modelar entidades de inteligencia de fuentes abiertas.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

functions/cybersecurity/osint_malware.go

@@ -0,0 +1,10 @@
+package cybersecurity
+
+// OsintMalware represents a malware sample tracked in an OSINT investigation.
+type OsintMalware struct {
+	Family      string `json:"family"`
+	HashSHA256  string `json:"hash_sha256"`
+	FirstSeen   string `json:"first_seen"`
+	LastSeen    string `json:"last_seen"`
+	ThreatLevel string `json:"threat_level"`
+}