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How To Use This Report Enhance situational awareness of techniques used by threat actors Identify potential attacks targeting your industry Gain insights to help improve and accelerate your organization's threat response Summary of Findings The Network Effect Threat Report offers insights based on unique data from  Fastly's Next-Gen WAF  from Q2 2023 (April 1, 2023 to June 30, 2023). This report looks at traffic originating from IP addresses tagged by Fastly's Network Learning Exchange (NLX), our collective threat intelligence feed that anonymously shares attack source IP addresses across all Next-Gen WAF customer networks. Before diving deeper into the attack observations, here are five key takeaways that we found most significant in our research, covering global traffic across multiple industries, including High Tech, Financial Services, Commerce, Education, and Media and entertainment. Multi-customer attacks: 69% of IPs tagged by NLX targeted multiple customers, ...

A "multi-year" Chinese state-sponsored cyber espionage campaign has been observed targeting South Korean academic, political, and government organizations. Recorded Future's Insikt Group, which is  tracking  the activity under the moniker TAG-74, said the adversary has been linked to "Chinese military intelligence and poses a significant threat to academic, aerospace and defense, government, military, and political entities in South Korea, Japan, and Russia." The cybersecurity firm characterized the targeting of South Korean academic institutions as in alignment with China's broader efforts to conduct intellectual property theft and expand its influence, not to mention motivated by the country's strategic relations with the U.S. Social engineering attacks mounted by the adversary make use of Microsoft Compiled HTML Help (CHM) file lures to drop a custom variant of an open-source Visual Basic Script backdoor called  ReVBShell , which subsequently ser...

A critical security vulnerability in the JetBrains TeamCity continuous integration and continuous deployment (CI/CD) software could be exploited by unauthenticated attackers to achieve remote code execution on affected systems. The flaw, tracked as  CVE-2023-42793 , carries a CVSS score of 9.8 and has been addressed in  TeamCity version 2023.05.4  following responsible disclosure on September 6, 2023. "Attackers could leverage this access to steal source code, service secrets, and private keys, take control over attached build agents, and poison build artifacts," Sonar security researcher Stefan Schiller  said  in a report last week. Successful exploitation of the bug could also permit threat actors to access the build pipelines and inject arbitrary code, leading to an integrity breach and supply chain compromise. It's worth noting that the shortcoming only affects on-premise versions of the JetBrains software. The TeamCity Cloud version has already been u...

Ukrainian military entities are the target of a phishing campaign that leverages drone manuals as lures to deliver a Go-based open-source post-exploitation toolkit called Merlin. "Since drones or Unmanned Aerial Vehicles (UAVs) have been an integral tool used by the Ukrainian military, malware-laced lure files themed as UAVs service manuals have begun to surface," Securonix researchers Den Iuzvyk, Tim Peck, and Oleg Kolesnikov said in a report shared with The Hacker News. The cybersecurity company is tracking the campaign under the name  STARK#VORTEX . The starting point of the attack is a Microsoft Compiled HTML Help (CHM) file that, when opened, runs malicious JavaScript embedded inside one of the HTML pages to execute PowerShell code designed to contact a remote server to fetch an obfuscated binary. The Windows-based payload is decoded to extract the  Merlin Agent , which, in turn, is configured to communicate with a command-and-control (C2) server for post-exploita...

Generative AI is a double-edged sword, if there ever was one. There is broad agreement that tools like ChatGPT are unleashing waves of productivity across the business, from IT, to customer experience, to engineering. That's on the one hand.  On the other end of this fencing match: risk. From IP leakage and data privacy risks to the empowering of cybercriminals with AI tools, generative AI presents enterprises with concrete concerns. For example, the mass availability of AI tools was the second most-reported Q2 risk among senior enterprise risk executives — appearing in the top 10 for the first time — according to a  Gartner survey .  In this escalating AI arms race, how can enterprises separate fact from hype and comprehensively manage generative AI risk while accelerating productivity?  Register here and join Zscaler's Will Seaton, Product Marketing Manager, ThreatLabz, to: Uncover the  tangible risks of generative AI  — both for employee AI usage a...

Weak password policies leave organizations vulnerable to attacks. But are the standard password complexity requirements enough to secure them?  83% of compromised passwords  would satisfy the password complexity and length requirements of compliance standards. That's because bad actors already have access to billions of stolen credentials that can be used to compromise additional accounts by reusing those same credentials. To strengthen password security, organizations need to look beyond complexity requirements and block the use of compromised credentials. Need stolen credentials? There's a market for that Every time an organization gets breached or a subset of customers' credentials is stolen, there's a high possibility all those passwords end up for sale on the dark web. Remember the  Dropbox and LinkedIn hack  that resulted in 71 million and 117 million stolen passwords? There is an underground market that sells those credentials to hackers which they can then...

Tibetan, Uyghur, and Taiwanese individuals and organizations are the targets of a persistent campaign orchestrated by a threat actor codenamed  EvilBamboo  to gather sensitive information. "The attacker has created fake Tibetan websites, along with social media profiles, likely used to deploy browser-based exploits against targeted users," Volexity security researchers Callum Roxan, Paul Rascagneres, and Thomas Lancaster said in a report published last week. "Partly through impersonating existing popular communities, the attacker has built communities on online platforms, such as Telegram, to aid in distribution of their malware." EvilBamboo, formerly tracked by the cybersecurity firm under the name Evil Eye, has been linked to multiple attack waves  since at least 2019 , with the threat actor leveraging watering hole attacks to deliver spyware targeting Android and iOS devices. It's also known as Earth Empusa and POISON CARP. The intrusions directed agai...