The threat of Cyber attacks are growing day by day across the world hence led big concern on Cybersecurity. Cyber security includes- Application security, Information security, Network security, Disaster recovery/business continuity planning, Operational security and End-user education Types of cybersecurity threats: Ransomware Malware Social engineering Phishing Artificial Intilligence and Blockchain are the Technologies that will help the cybersecurity to boost. AI-based attacks that will operate completely independently, adapt, make decisions on their own and more. Blockchains are moving from the realm of just fueling cryptocurrencies like Bitcoin to providing smart contracts, identity management, and multiple ways of proving integrity of data. They may also hold the key to defending against IoT attacks.