Hades Ransomware Gang Exhibits Connection to Hafnium

The Hades ransomware gang has several unique characteristics that set it apart from the rest of the pack, according to researchers – including potentially having more than extortion on the to-do list. The group appears to use multiple nation-state tools and techniques. The researchers said that i...

CEO of Encrypted Chat Platform Indicted for Aiding Organised Criminals

The U.S. Department of Justice DoJ on Friday announced an indictment against Jean-Francois Eap, the CEO of encrypted messaging company Sky Global, and an associate for wilfully participating in a criminal enterprise to help international drug traffickers avoid law enforcement. Eap also known as...

Security Advisory: Mitigating the Risk of Microsoft Exchange Zero-Day ProxyLogon Vulnerabilities

Microsoft recently released several security updates for Microsoft Exchange Server to address vulnerabilities that sophisticated nation-state actors are exploiting to exfiltrate critical data from a variety of organizations. Reports suggest attackers have been targeting these vulnerabilities sinc...

What's New in DivvyCloud by Rapid7: February 2021 Feature Releases

February was another busy month. Internally, as we work to improve our processes, we are still committed to maintaining our frequent release cadence. Our releases, both minor and major, ensure that customers have access to valuable improvements, features, expanded support capabilities, and bug...

Guidance on Remediating Networks Affected by the SolarWinds and Active Directory/M365 Compromise

Since December 2020, CISA has been responding to a significant cybersecurity incident involving an advanced persistent threat APT actor targeting networks of multiple U.S. government agencies, critical infrastructure entities, and private sector organizations. The APT actor added malicious code t...

CISA Strongly Urges All Organizations to Immediately Address Microsoft Exchange Vulnerabilities

CISA has published a Remediating Microsoft Exchange Vulnerabilities web page that strongly urges all organizations to immediately address the recent Microsoft Exchange Server product vulnerabilities. As exploitation of these vulnerabilities is widespread and indiscriminate, CISA strongly advises...

RTM Cybergang Adds New Quoter Ransomware to Crime Spree

The Russian-speaking group behind the infamous RTM banking trojan is now packing a trifecta of threats as it turns up the heat – part of a massive new money-grab campaign. Beyond the banking malware it is known for, attackers have enlisted a recently-discovered ransomware family called Quoter as...

CVE-2021-22863

CVE-2021-22863 is an improper access control vulnerability in GitHub Enterprise Server’s GraphQL API. It allowed authenticated users to modify the maintainer collaboration permission on a pull request, potentially exposing head branches of repos where they are a maintainer. Affected versions span...

Malicious Mozilla Firefox Extension Allows Gmail Takeover

A newly uncovered cyberattack is taking control of victims’ Gmail accounts, by using a customized, malicious Mozilla Firefox browser extension called FriarFox. Researchers say the threat campaign, observed in January and February, targeted Tibetan organizations and was tied to TA413, a known...

Chinese Hackers Using Firefox Extension to Spy On Tibetan Organizations

Cybersecurity researchers today unwrapped a new campaign aimed at spying on vulnerable Tibetan communities globally by deploying a malicious Firefox extension on target systems. "Threat actors aligned with the Chinese Communist Party's state interests delivered a customized malicious Mozilla...

CISA Releases Joint Cybersecurity Advisory on Exploitation of Accellion File Transfer Appliance

The cybersecurity authorities of Australia, New Zealand, Singapore, the United Kingdom, and the United States have released Joint Cybersecurity Advisory AA21-055A: Exploitation of Accellion File Transfer Appliance. Cyber actors worldwide have exploited vulnerabilities in Accellion File Transfer...

Supply-Chain Hack Breaches 35 Companies, Including PayPal, Microsoft, Apple

An ethical hacker has demonstrated a novel supply-chain attack that breached the systems of more than 35 technology players, including Microsoft, Apple, PayPal, Shopify, Netflix, Tesla and Uber, by exploiting public, open-source developer tools. The attack, devised by security researcher Alex...

A ransomware primer

Ransomware defenseCyber security is continually a relevant topic for Cisco customers and other stakeholders. Ransomware is quickly becoming one of the hottest topics in the technology space as these malware families target high-leverage companies and organizations. We at Cisco are often contacted...

Why operational resilience will be key in 2021, and how this impacts cybersecurity

The lessons we have learned during the past 12 months have demonstrated that the ability to respond to and bounce back from adversity in general, can impact the short-and long-term success of any organization. It can even dictate the leaders and laggards in any industry. When we take into...

Remediation and Hardening Strategies for Microsoft 365 to Defend Against UNC2452

UPDATE Oct. 28, 2021: Mandiant has recently observed targeted threat actors using EWS impersonation via the ApplicationImpersonation role to maintain persistent access to mailboxes in victim environments. Once the threat actor has access to this role, its abuse is hard to detect and provides the...

BumbleBee Opens Exchange Servers in xHunt Spy Campaign

A webshell called BumbleBee has taken flight in an ongoing xHunt espionage campaign that has targeted Microsoft Exchange servers at Kuwaiti organizations. According to researchers at Palo Alto Networks’ Unit 42, BumbleBee so named because of its color scheme was observed being used to upload and...

Emotet: A Year in the Life of a Malware

Emotet malware has been around since 2014, but 2020 saw a resurgence of attacks. In September 2020, Emotet affected 14% of organizations worldwide. So, what is Emotet? And why is it so dangerous?...

Available driver versions for XenServer and Citrix Hypervisor

Latest driver disk updates for XenServer and Citrix Hypervisor We work with partner organizations to ensure that drivers are available to enable new hardware and resolve critical issues. We regularly deliver updated versions of these drivers when partner organizations provide them to us. For Citr...

Cyberattacks on Healthcare Spike 45% Since November

As COVID-19 ravages international healthcare systems, cybercriminals have decided to leverage the increasingly dire circumstances to squeeze a few bucks out of the human suffering. According to new findings from Check Point Software, healthcare organizations have seen a 45-percent increase in...

SolarWinds supply chain attack affected 250 organizations

By Deeba Ahmed According to a report, the SolarWinds attack has impacted over 250 organizations, including government agencies and private businesses. This is a post from HackRead.com Read the original post: SolarWinds supply chain attack affected 250 organizations...