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Blog / Threat Research

Threat Research

Security Vulnerabilities in Apex Code Could Leak Salesforce Data

Nitay Bachrach

Nitay Bachrach

Varonis' threat researchers identified high- and critical-severity vulnerabilities in Apex, a programming language for customizing Salesforce instances.

microsoft NTLM leaks

Outlook Vulnerability Discovery and New Ways to Leak NTLM Hashes

Dolev Taler

Dolev Taler

Varonis Threat Labs discovered a new Outlook exploit and three new ways to access NTLM v2 hashed passwords.

Microsoft Word document surrounded by storm clouds

Taking Microsoft Office by "Storm"

Jason Hill

Jason Hill

The “Storm-0978” ransomware group is actively exploiting an unpatched Microsoft Office and Windows HTML remote code execution vulnerability.

Imposter Syndrome: UI Bug in Visual Studio Lets Attackers Impersonate Publishers

Dolev Taler

Dolev Taler

Varonis Threat Labs found a bug in Microsoft Visual Studio installer that allows an attacker to impersonate a publisher and issue a malicious extension to compromise a targeted system

Ghost Sites: Stealing Data From Deactivated Salesforce Communities

Nitay Bachrach

Nitay Bachrach

Varonis Threat Labs discovered improperly deactivated Salesforce 'ghost' Sites that are easily found, accessible, and exploitable by attackers.

HardBit 2.0 Ransomware

Jason Hill

Jason Hill

HardBit is a ransomware threat that targets organizations to extort cryptocurrency payments for the decryption of their data. Seemingly improving upon their initial release, HardBit version 2.0 was introduced toward the end of November 2022, with samples seen throughout the end of 2022 and into 2023.

Neo4jection: Secrets, Data, and Cloud Exploits

Nitay Bachrach

Nitay Bachrach

With the continuous rise of graph databases, especially Neo4j, we're seeing increased discussions among security researchers about issues found in those databases. However, given our experience with graph databases ― from designing complex and scalable solutions with graph databases to attacking them ― we've noticed a gap between public conversations and our security researchers' knowledge of those systems.

VMware ESXi in the Line of Ransomware Fire

Jason Hill

Jason Hill

Servers running the popular virtualization hypervisor VMware ESXi have come under attack from at least one ransomware group over the past week, likely following scanning activity to identify hosts with Open Service Location Protocol (OpenSLP) vulnerabilities.

CrossTalk and Secret Agent: Two Attack Vectors on Okta's Identity Suite

Tal Peleg and Nitay Bachrach

Tal Peleg and Nitay Bachrach

Varonis Threat Labs discovered and disclosed two attack vectors on Okta's identity suite: CrossTalk and Secret Agent.

Varonis Threat Labs Discovers SQLi and Access Flaws in Zendesk

Tal Peleg

Tal Peleg

Varonis Threat Labs found a SQL injection vulnerability and a logical access flaw in Zendesk Explore, the reporting and analytics service in the popular customer service solution, Zendesk.

The Logging Dead: Two Event Log Vulnerabilities Haunting Windows

Dolev Taler

Dolev Taler

You don’t have to use Internet Explorer for its legacy to have left you vulnerable to LogCrusher and OverLog, a pair of Windows vulnerabilities discovered by the Varonis Threat Labs team.

Fighting Golden Ticket Attacks with Privileged Attribute Certificate (PAC)

Masha Garmiza

Masha Garmiza

Learn how and why to control the Active Directory Environment state with PACRequestorEnforcement, the implications of doing so and how to detect Golden Ticket attacks happening in your network.

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