First identified in 2018, 'Ryuk' is a known malware often dropped on a system by other malware, most notably TrickBot and Bazaarloader by using a Spear Phishing lure or other systems access gains via Remote Desktop Services. Ryuk demands payment via Bitcoin cryptocurrency and directs victims to deposit the ransom in a specific Bitcoin wallet.
Our article provides an overview of the most common forms of computer viruses along with some punches of computer fun facts, history & interesting facts about computer viruses and other types of malware. A few weeks ago, we also published cyber security glossary, simplifying geeky terms for general readers.
IcedID stealer (Also known as BokBot) was first discovered at the end of 2017, believed to be a resurgence of the NeverQuest banking Trojan. It is a modular banking trojan that uses man-in-the-browser (MitB) attacks to steal banking credentials, payment card information and other financial data. The stealer possesses relatively sophisticated functionality and capabilities such as web injects, a large remote access trojan (RAT) arsenal and a VNC module for remote control.
The Lazarus Group (also known as Guardians of Peace or Whois) is a notorious cybercrime gang made up of unknown individuals. According to the United States Federal Bureau of Investigations, the group is a North Korean “state-sponsored hacking organization.” However, some believe that their connections to North Korea might be a false flag intending to hide their true origins.
Universal Health Services (UHS), a Fortune 500 company and healthcare services provider, has reportedly shut down systems at facilities throughout the United States after the Ryuk ransomware hit its network on September 27, according to an article on the Health IT Security website. What is Ryuk ransomware? Ryuk is a sophisticated ransomware threat that targets businesses, hospitals, and government institutions across the world.
Security researchers working with IBM Security recently uncovered a new malware code that is being used to attack online banking users in Brazil. Referred to as ‘Vizom’ by the team, the code utilizes remote overlay attacks to siphon sensitive financial data and make fraudulent transactions from victims bank accounts.
Ransomware is a serious security threat affecting companies of all sizes and industries. While the symptoms (an attack) can be extremely damaging and disruptive, the solution can be simple - proactive prevention through a heavy dose of security hygiene. Here we cover the basics of Ransomware and top tips for securing your organization against it.
Malicious actors are targeting Apple. Although Apple introduced a notarization mechanism to scan and prevent malicious code from running on Apple devices, attackers have found ways to circumvent this process. Such Apple-notarized malware constitutes a threat to macOS users. Let us start by exploring what Apple notarization is. We will then discuss some recent examples of Apple-notarized malware and some prevention techniques.
In late October, the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Department of Health and Human Services (HHS) co-authored an advisory report on the latest tactics used by cybercriminals to target the Healthcare and Public Health (HPH) sector. In the report, CISA, FBI, and HHS noted the discovery of, “…credible information of an increased and imminent cybercrime threat to U.S.
Malware infections are common and are often missed by antivirus software. Their impact to critical infrastructure and applications can be devastating to an organization's network, brand and customers if not remediated. With the everchanging nature of cyberattacks, organizations need a layered security strategy. They shouldn’t depend solely on a single layer of security to keep them protected.
