Author: Admin

What is Ransomware? Over the past year, you may have seen the term ransomware popping up frequently. For enterprising hackers, this once uncommon tactic has become standard operating procedure, and with good reason – it pays. Ransomware is malware that employs encryption to hold a victim’s information at ransom. The hacker uses it to encrypt a user or organization’s critical data so that they cannot access files, databases, or applications. A ransom is then demanded…

What is Ransomware? Over the past year, you may have seen the term ransomware popping up frequently. For enterprising hackers, this once uncommon tactic has become standard operating procedure, and with good reason – it pays. Ransomware is malware that employs encryption to hold a victim’s information at ransom. The hacker uses it to encrypt a user or organization’s critical data so that they cannot access files, databases, or applications. A ransom is then demanded…

What is Ransomware? Over the past year, you may have seen the term ransomware popping up frequently. For enterprising hackers, this once uncommon tactic has become standard operating procedure, and with good reason – it pays. Ransomware is malware that employs encryption to hold a victim’s information at ransom. The hacker uses it to encrypt a user or organization’s critical data so that they cannot access files, databases, or applications. A ransom is then demanded…

Researchers disclosed two new attack techniques that allow modifying visible content on certified PDF documents without invalidating the digital signature. Researchers from Ruhr-University Bochum have disclosed two new attack techniques, dubbed Evil Annotation and Sneaky Signature attacks, on certified PDF documents that could potentially allow attackers to modify visible content without invalidating their digital signature. The attacks are documented in CVE-2020-35931, CVE-2021-28545, and CVE-2021-28546. The experts presented the results of the study at the 42nd IEEE Symposium on Security and…