Bøker av Allan Liska

The biggest online threat to businesses and consumers today is ransomware, a category of malware that can encrypt your computer files until you pay a ransom to unlock them. With this practical book, youll learn how easily ransomware infects your system and what steps you can take to stop the attack before it sets foot in the network.Security experts Allan Liska and Timothy Gallo explain how the success of these attacks has spawned not only several variants of ransomware, but also a litany of ever-changing ways theyre delivered to targets. Youll learn pragmatic methods for responding quickly to a ransomware attack, as well as how to protect yourself from becoming infected in the first place.Learn how ransomware enters your system and encrypts your filesUnderstand why ransomware use has grown, especially in recent yearsExamine the organizations behind ransomware and the victims they targetLearn how wannabe hackers use Ransomware as a Service (RaaS) to launch campaignsUnderstand how ransom is paidand the pros and cons of payingUse methods to protect your organizations workstations and servers

Learn the risks associated with Network Time Protocol (NTP) security and how to minimize those risks while deploying and managing the protocol. You will be able to reduce the disruption of communication between servers on the network and the risk that the entire network will be taken offline.NTP Security: A Quick-Start Guide provides an understanding of how NTP is critical to modern networks and how it can be exploited. You will understand how an attacker can wreak havoc on an insecure network and guidance is provided to help you manage your system and make it more secure. What You Will Learn:Understand the vulnerabilities, flaws, and risks associated with the Network Time protocol (NTP)Analyze NTP traffic and configure NTP on servers and workstations in the network in a more secure manner Use practical solutions to secure NTP and build a robust infrastructure, such as bringing more capability inside the network and creating a smaller attack surfaceDetermine the alternatives to NTP, including how to synchronize network clocks in other ways Who This Book Is For:System administrators, network engineers, and security analysts