BitDefender Coupon Codes Bitdefender has the largest security delivery infrastructure on the globe. Performing 11 billion security queries per day, Bitdefender detects, anticipates and takes action to neutralize even the newest dangers anywhere in the world in as little as 3 seconds. Whether you need protection for a single device, a smart home, your small business, hybrid infrastructure or Enterprise datacenter, we have the product that delivers the best security, unparalleled performance and incredible ease of use.