HomeSmall business security/ResourcesCustomers Global Giants Join Forces in Cybersecurity Telefonica is one of the largest broadband and telecommunications providers in the world. Telefonica is constantly looking for partners with complementary skills and expertise, to inform and enhance its solutions. Read now Latest Articles Makro Virüsü Nedir? What is a Firewall? What is Metamorphic Virus? What is Scareware? What is Spear Phishing?