Hacking

Pierluigi Paganini July 29, 2021
Critical flaw in Microsoft Hyper-V could allow RCE and DoS

Experts disclose details about a critical flaw in Microsoft Hyper-V, tracked as CVE-2021-28476, that can allow executing arbitrary code on it. Researchers Peleg Hadar of SafeBreach and Ophir Harpaz of Guardicore disclose details about a critical flaw in Microsoft Hyper-V, tracked as CVE-2021-28476, that can allow triggering a DoS condition ot executing arbitrary code on it. The flaw resides in […]

Pierluigi Paganini July 28, 2021
US, UK, and Australian agencies warn of top routinely exploited issues

A joint report published by US, UK, and Australian cyber security agencies warns of the top routinely exploited vulnerabilities in 2020. The U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Australian Cyber Security Centre (ACSC), the United Kingdom’s National Cyber Security Centre (NCSC), and the U.S. Federal Bureau of Investigation (FBI) published a Joint Cybersecurity […]

Pierluigi Paganini July 27, 2021
Flaws in Zimbra could allow to takeover webmail server of a targeted organization

Researchers discovered flaws in Zimbra email collaboration software that could allow attackers to compromise email accounts by sending a malicious email. Cybersecurity researchers have discovered multiple security vulnerabilities, tracked as CVE-2021-35208 and CVE-2021-35208, in Zimbra email collaboration software. An unauthenticated attacker could chain these vulnerabilities to fully takeover a Zimbra webmail server of a targeted organization. An […]

Pierluigi Paganini July 25, 2021
Threat actor offers Clubhouse secret database containing 3.8B phone numbers

A threat actor is offering for sale on hacking forums the secret database Clubhouse containing 3.8B phone numbers. Clubhouse is a social audio app for iOS and Android where users can communicate in voice chat rooms that accommodate groups of thousands of people. The audio-only app hosts live discussions, with opportunities to participate through speaking and listening. Conversations are prohibited by Clubhouse’s guidelines […]

Pierluigi Paganini July 24, 2021
Obtaining password hashes of Windows systems with PetitPotam attack

A researcher found a flaw in Windows OS, tracked as PetitPotam, that can be exploited to force remote Windows machines to share their password hashes. Security researcher Gilles Lionel (aka Topotam) has discovered a vulnerability in the Windows operating system that allows an attacker to force remote Windows machines to authenticate and share their password hashes with […]

Pierluigi Paganini July 22, 2021
Group-IB helps Dutch police identify members of phishing developer gang Fraud Family

Researchers from threat intelligence firm Group-IB helps Dutch police identify members of phishing developer gang known as Fraud Family. Group-IB, one of the leading providers of solutions dedicated to detecting and preventing cyberattacks, identifying online fraud, investigation of high-tech crimes and intellectual property protection, has assisted the Dutch National Police in the operation to apprehend alleged members of a cybercriminal group codenamed ‘Fraud Family.’ Group-IB’s […]

Pierluigi Paganini July 22, 2021
CISA analyzed stealthy malware found on compromised Pulse Secure devices

U.S. CISA released an alert today about several stealth malware samples that were found on compromised Pulse Secure devices. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) published a security alert related to the discovery of 13 malware samples on compromised Pulse Secure devices, many of which were undetected by antivirus products. Experts pointed out […]

Pierluigi Paganini July 21, 2021
France ANSSI agency warns of APT31 campaign against French organizations

French cyber-security agency ANSSI warned of an ongoing cyberespionage campaign aimed at French organizations carried out by China-linked APT31 group. The French national cyber-security agency ANSSI warned of ongoing attacks against a large number of French organizations conducted by the Chine-linked APT31 cyberespionage group. The state-sponsored hackers are hijacking home routers to set up a […]

Pierluigi Paganini July 21, 2021
XLoader, a $49 spyware that could target both Windows and macOS devices

Check Point Research (CPR) experts have spotted a cheap malware, dubbed XLoader variant, which was upgraded to target both Windows and macOS PCs. XLoader is a very cheap malware strain that is based on the popular Formbook Windows malware.  FormBook is a data-stealing malware that is used in cyber espionage campaigns, like other spyware it is […]

Pierluigi Paganini July 20, 2021
A 16-year-old bug (CVE-2021-3438) in printer driver affects millions of printers worldwide

Experts warn of a 16-year-old vulnerability (CVE-2021-3438) in an HP, Xerox, and Samsung printers driver that an attacker could exploit to gain admin rights on systems. Researchers from SentinelOne discovered a 16-year-old security vulnerability in an HP, Xerox, and Samsung printers driver that can allow attackers to gain admin rights on systems running the flawed […]