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Russian internet and search company Yandex discloses a data breach, a systemadministrator was selling access to thousands of user mailboxes. Russian search engine and internet provider Yandex discloses a data breach, the company revealed that one of its systemadministrators was caught selling access to 4,887 user email accounts.
The National Security Agency (NSA) warns that Russia-linked hackers are exploiting a recently patched VMware flaw in a cyberespionage campaign. Last week, the company finally released security updates to fix the CVE-2020-4006 zero-day flaw in Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector.
In recent months the number of cyberattacks against misconfigured Kybernetes systems has surged, threat actors mainly used the to illegally mine cryptocurrencies. The guidance details the security challenges associated with setting up and securing a Kubernetes cluster. Follow me on Twitter: @securityaffairs and Facebook.
SystemAdministrators Advised to Update to Latest Version That Addresses 2 Vulnerabilities Users of the OpenSSL crypto library should upgrade immediately to the latest version to eliminate serious flaws that attackers could exploit to shut down servers, some security experts warn.
Taiwanese vendor QNAP has warned customers to secure network-attached storage (NAS) exposed online from ransomware and brute-force attacks. QNAP urges all QNAP NAS users to follow the security setting instructions below to ensure the security of QNAP networking devices.” The post How to secure QNAP NAS devices?
The joint Cybersecurity Advisory (CSA) published by the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) provides known IOCs, TTPs, and detection methods associated with the AvosLocker ransomware variant employed in recent attacks.
Once compromised the device, threat actors employed it in a botnet used in attacks aimed at Linux systems, including Synology NAS. “Synology PSIRT (Product Security Incident Response Team) has recently seen and received reports on an increase in brute-force attacks against Synology devices. Pierluigi Paganini.
Cisco has released several security patches, including one for a critical issue, tracked as CVE-2020-3280 , in the call-center software Unified Contact Center Express. Cisco released a set of security patches , including one for a critical flaw in its call-center software Unified Contact Center Express, tracked as CVE-2020-3280.
The Ukrainian national Fedir Hladyr (35), aka “das” or “AronaXus,” was sentenced to 10 years in prison for having served as a manager and systemsadministrator for the financially motivated group FIN7 , aka Carbanak. ” If you want to receive the weekly Security Affairs Newsletter for free subscribe here.
Cisco has released security updates to address 17 vulnerabilities affecting its networking and unified communications product lines. Cisco has released security patches to fix 17 vulnerabilities affecting its networking and unified communications product lines. ” reads the advisory published by Cisco. Pierluigi Paganini.
The new security alert will notify companies when their employees are being targeted by state-sponsored attacks. We’re adding an alert to the security portal to alert customers when suspected nation-state activity is detected in the tenant.” It automatically investigates and remediates attacks. Pierluigi Paganini.
The vendor recommended changing systemadministrator account, reset access control, and installing the latest available version. If you want to receive the weekly Security Affairs Newsletter for free subscribe here. The post Hackers are targeting Soliton FileZen file-sharing servers appeared first on Security Affairs.
Security researchers from hacking firm Citadelo disclosed details for a new critical vulnerability in VMware’s Cloud Director platform, tracked as CVE-2020-3956 , that could be abused to takeover corporate servers. Experts from Citadelo discovered the issue while conducting a security audit of the cloud infrastructure.of
The threat actors are using the Datagram Transport Layer Security (DTLS) protocol as an amplification vector in attacks against Citrix appliances with EDT enabled. The DTLS protocol is a communications protocol for securing delay-sensitive apps and services that use datagram transport. 24 220.167.109.0/24 ” wrote Hofmann. .
Online Scans Show More Than 1,200 Patched NetScaler Devices Are Backdoored Hackers moved faster than systemadministrators to exploit a zero-day vulnerability in Citrix NetScaler appliances by dropping web shells that remain active even after a patch, warn Dutch security researchers.
The experts explained that malware targeting iLO could be very insidious because it runs with high privileges (above any level of access in the operating system), very low-level access to the hardware, and it cannot be detected by admins and security software that doesn’t inspect iLO. ” continues the report.
Security vendor Fortinet has addressed four vulnerabilities in FortiWeb web application firewalls, including a Remote Code Execution flaw. “The first allows you to obtain the hash of the systemadministrator account due to excessive DBMS user privileges, which gives you access to the API without decrypting the hash value.
National Security Agency (NSA) is warning that Russia-linked APT group tracked Sandworm Team has been exploiting a critical vulnerability (CVE-2019-10149) in the Exim mail transfer agent (MTA) software since at least August 2019. . Using a previous version of Exim leaves a system vulnerable to exploitation. ” concludes NSA.
. “TeamViewer’s legitimate use, however, makes anomalous activity less suspicious to end users and systemadministrators compared to typical RATs.” “Cyber actors continue to find entry points into legacy Windows operating systems and leverageRemote Desktop Protocol (RDP) exploits.” Windows 10).
Users and systemadministrators are recommended to apply the latest security patches as soon as possible to prevent attackers exploiting them. The post Microsoft’s Patch Tuesday updates for March 2020 fix 115 issues appeared first on Security Affairs. Pierluigi Paganini. SecurityAffairs – malware, Patch Tuesday).
The recent CurveBall vulnerability shook the Info-Sec community worldwide: a major vulnerability reported directly by the US National Security Agency. Even cryptographically signed files and emails are exposed to spoofing and tampering , violating the core parts of the threat models most of the company use to secure their businesses.
Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Ransomware group using them to bypass all Windows OS security, by shutting down VMs and encrypting the VMDK’s directly on hypervisor. Pierluigi Paganini. Pierluigi Paganini.
Skorodumov was one of the organization’s lead systemsadministrators, he configured and managed the clients’ domains and IP addresses, provided technical assistance to help clients optimize their malware and botnets. SecurityAffairs – hacking, cyber security). Follow me on Twitter: @securityaffairs and Facebook.
“A security vulnerability has been identified in the HPE Edgeline Infrastructure Manager, also known as HPE Edgeline Infrastructure Management Software. ” reads the security advisory published. ” reads the security advisory published. What’s Behind HPE’s Critical Bug? Pierluigi Paganini.
The FBI, the Cybersecurity and Infrastructure Security Agency (CISA), and the Department of Defense (DoD) released information on a RAT variant, dubbed TAIDOOR, used by China-linked hackers in cyber espionage campaigns targeting governments, corporations, and think tanks. Keep operating system patches up-to-date. v1 , U.S. .
Last week cybercriminals deployed ransomware to 1,500 organizations that provide IT security and technical support to many other companies. The attackers exploited a vulnerability in software from Kaseya , a Miami-based company whose products help systemadministrators manage large networks remotely. Image: Archive.org.
In order to identify CAKETAP running on a Solaris system, administrators can check for the presence of a hook installed in the ipcl_get_next_conn hook function. “This CAKETAP variant targeted specific messages destined for the Payment Hardware Security Module (HSM).” ” reads the analysis published by Mandiant.
Security researchers discovered multiple critical reverse RDP vulnerabilities in the remote desktop application Apache Guacamole. Security experts from Check Point Research have discovered multiple critical reverse RDP vulnerabilities in the Apache Guacamole, which is a clientless remote desktop gateway.
“They exhibit extensive knowledge of systemsadministration and common network security misconfigurations, perform thorough reconnaissance, and adapt to what they discover in a compromised network.” ” reads the post published by Microsoft. ” continues Microsoft. Pierluigi Paganini.
The security researcher Eaton Zveare has exploited a vulnerability in Toyota’s Global Supplier Preparation Information Management System (GSPIMS) to achieve system admin access to Toyota’s global supplier management network. made it easy to find accounts that had elevated access to the system.
The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide. The group was involved also in the string of attacks that targeted 2016 Presidential election.
One of the companies created by the cyber criminal organizations with this purpose is Combi Security, but researchers from Gemini Advisory discovered other similar organizations by analyzing the site of another fake cybersecurity company named Bastion Security. SecurityAffairs – hacking, cyber security). Pierluigi Paganini.
Book excerpt: As a systemsadministrator, the young man who would expose vast, secret US surveillance saw freedom being encroached and decided he had to act.
VNC is a desktop sharing system – you can use it to remotely access your work computer from home or any other location, or allow technical support staff to do likewise. Ideally, VNC should be used only with authenticated users, such as systemadministrators. That’s a serious security breach of assets right there.
Alexey is a Russian-speaking cyber vigilante that decided to fix the MikroTik routers and he claims to be e systemadministrator. The bad aspect of the story is that even if security patches have been available for months, ISPs and owners of the home routers still have installed them. Pierluigi Paganini. Pierluigi Paganini.
“These shortcomings were emblematic of a culture that evolved over years that too often prioritized creativity and collaboration at the expense of security,” according to the report. The post CIA elite hacking unit was not able to protect its tools and cyber weapons appeared first on Security Affairs. .” states the report.
Sophos: 'Ghost' Accounts Present a Potential Security Danger The operators of the Nefilim ransomware used the credentials of a deceased systemadministrator to plant their crypto-locking malware in about 100 vulnerable systems during one attack, according to Sophos.
According to a joint cybersecurity advisory from the United States National Security Agency (NSA), the U.S. The advisory also includes recommendations for systemadministrators to prevent the installation of backdoor firmware images and unusual device reboots. Federal Bureau of Investigation (FBI), the U.S.
Preston was featured in the 2016 KrebsOnSecurity story DDoS Mitigation Firm Has History of Hijacks , which detailed how the company he co-founded — BackConnect Security LLC — had developed the unusual habit of hijacking Internet address space it didn’t own in a bid to protect clients from attacks.
Earlier this year Sysdig and Aqua Security researchers started observing cyber attacks targeting Kubernets and Docker instances aimed at mining Monero cryptocurrency. Experts pointed out that a Docker Engine is not properly secured could be exposed to remote attack through Docker Engine API. Security Affairs – Docker APIs, hacking).
Cybersecurity and Infrastructure Security Agency (CISA) in August 2020. The CISA MAR provided indicators of compromise (IoCs), Yara rules, and other technical info that could be used by systemadministrators to discover compromise systems within their networks. ” reads the report published by Kaspersky.
Our investigation revealed that this remote endpoint is associated with criminal activities dating back to 2019, indicating that these hosts were likely under the control of the same technical administration. This hostname connection is particularly heterogeneous, but it technically makes sense.
In May 2023, a ransomware attack hit the IT systems at the City of Dallas , Texas. To prevent the threat from spreading within the network, the City shut down the impacted IT systems. The City experts believe that the group specifically targeted a prioritized list of servers using legitimate Microsoft systemadministrative tools.
Oracle has just released a security update to prevent 2.3 The flaw was discovered by the Brazilian researcher Mauricio Corrêa, founder of Brazilian security company XLabs. Since its launch, RPCBIND has been receiving updates that cover several failures, including security. This, however, is the most serious finding so far.
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