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A global wave of cyberattacks and data breaches began in January 2021 after four zero-day exploits were discovered in on-premises Microsoft Exchange Servers, giving attackers full access to user emails and passwords on affected servers, administrator privileges on the server, and access to connected devices on the same network.
These attacks are wide-ranging, global and do not seem to discriminate among governments and companies. Operation Shady RAT; World of HELL; RED October, discovered in 2012, was reportedly operating worldwide for up to five years prior to discovery, transmitting information ranging from diplomatic secrets to personal information, including from mobile devices.
A cryptographic attack is a method for circumventing the security of a cryptographic system by finding a weakness in a code, cipher, cryptographic protocol or key management scheme. This process is also called " cryptanalysis ".
Ransomware encryption that has been cracked by security researchers is typically abandoned for criminal purposes; thus in practice most attacks cannot be reverted by breaking encryption. [ 160 ]
The researchers who discovered the attack have also created a vulnerability scanner to determine whether an SSH server or client is vulnerable. [8] The attack has been given the CVE ID CVE-2023-48795. [9] [3] In addition to the main attack, two other vulnerabilities were found in AsyncSSH, and assigned the CVE IDs CVE-2023-46445 and CVE-2023 ...
It was said that the FBI, the Secret Service, and other U.S. intelligence agencies categorized the attacks "among the most sophisticated attacks ever launched against U.S. government systems." [ 98 ] November 24: In response to the release of the film The Interview , the servers of Sony Pictures are hacked by a hacker group calling itself ...
The DROWN (Decrypting RSA with Obsolete and Weakened eNcryption) attack is a cross-protocol security bug that attacks servers supporting modern SSLv3/TLS protocol suites by using their support for the obsolete, insecure, SSL v2 protocol to leverage an attack on connections using up-to-date protocols that would otherwise be secure.
The attack occurred amid rising concerns about the vulnerability of critical infrastructure to cyberattacks, following several high-profile incidents, such as the 2020 SolarWinds hack, which affected multiple U.S. federal government agencies, including the Departments of Defense, Treasury, State, and Homeland Security. [6] [19]