Take action! Multiple Pulse Secure VPN vulnerabilities exploited in the wild

Pulse Secure has alerted customers to the existence of an exploitable chain of attack against its Pulse Connect Secure PCS appliances. PCS provides Virtual Private Network VPN facilities to businesses, which use them to prevent unauthorized access to their networks and services. Cybersecurity...

CVE-2021-30478

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the canforgesender permission previously isapisuperuser resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same...

Ransomware disrupts food supply chain, Exchange exploitation suspected

When malware found its way into the network of Bakker Logistiek, a company specializing in the transport and warehousing of food and other products, on the night of 4 to 5 April, its IT systems ground to a halt. And, along with them, the reception of orders from clients, and the delivery of goods...

Using Aviary to Analyze Post-Compromise Threat Activity in M365 Environments

Aviary is a new dashboard that CISA and partners developed to help visualize and analyze outputs from its Sparrow detection tool released in December 2020. Sparrow helps network defenders detect possible compromised accounts and applications in Azure/Microsoft O365 environments. CISA created...

Crossing the Line: When Cyberattacks Become Acts of War

The Cold War concept isn’t outdated. In the decades since the fall of the Soviet Union, the battleground has simply shifted from conflicts between ideological proxy governments to cyberspace. And the opponents have grown from a few primary nations into a broad range of sovereign threat actors. Th...

SAP Bugs Under Active Cyberattack

Active cyberattacks on known vulnerabilities in SAP systems could lead to full control of unsecured SAP applications, researchers are warning. Adversaries are carrying out a range of attacks, according to an alert from SAP and security firm Onapsis issued Tuesday – including theft of sensitive...

Ransom Gangs Emailing Victim Customers for Leverage

Some of the top ransomware gangs are deploying a new pressure tactic to push more victim organizations into paying an extortion demand: Emailing the victims customers and partners directly, warning that their data will be leaked to the dark web unless they can convince the victim firm to pay up...

COVID-19 and HIPAA Enforcement Discretion Leaves Healthcare Organizations Vulnerable to Ransomware Attacks

Patient engagement is a term that has been discussed in healthcare for years. But now, its an urgent priority as providers work to vaccinate millions of Americans. The COVID-19 pandemic has put increased pressure on healthcare providers to ramp up digital communications with patients regarding...

CISA Releases Supplemental Direction on Emergency Directive for Microsoft Exchange Server Vulnerabilities

CISA has issued supplemental direction to Emergency Directive ED 21-02: Mitigate Microsoft Exchange On-Premises Product Vulnerabilities providing additional forensic triage and server hardening, requirements for federal agencies. Specifically, this update directs federal departments and agencies ...

CISA Releases Supplemental Guidance on Emergency Directive for Microsoft Exchange Server Vulnerabilities

CISA has issued supplemental direction to Emergency Directive ED 21-02: Mitigate Microsoft Exchange On-Premises Product Vulnerabilities providing additional forensic triage and server hardening, requirements for federal agencies. Specifically, this update directs federal departments and agencies ...

PYSA, the ransomware attacking schools

The education sector’s cybersecurity problem has compounded in the last few months. A recent warning from the FBI, in mid-March, put schools in the US and UK on notice of increased attacks from the threat actors behind the PYSA ransomware. If this is the first time you’ve heard of this family, re...

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...