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Computer/Network Security

Breach intelligence, attack campaigns, and threat reports targeting the Computer/Network Security sector.

1289 threat reports
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Computer/Network Security Threat Reports

Showing 541–552 / 1289 reports
Exploiting AI Coding Agents: The New Frontier in Supply Chain Attacks
Computer Software/Engineering4 months ago

Exploiting AI Coding Agents: The New Frontier in Supply Chain Attacks

In June 2026, researchers at Mozilla's Zero Day Investigative Network (0DIN) identified a novel supply chain attack targeting AI coding agents. The attack involved a seemingly benign GitHub repository containing standard setup instructions. When an AI coding agent, such as Claude Code, cloned and initialized the repository, it encountered an error message prompting the execution of an initialization command. This command triggered a shell script that retrieved and executed a payload from a DNS TXT record controlled by the attacker, resulting in the establishment of an interactive shell on the developer's machine. This method allowed attackers to gain unauthorized access to sensitive information without any malicious code present in the repository itself. This incident underscores the evolving sophistication of supply chain attacks, particularly those exploiting AI-driven development tools. As AI coding agents become more integrated into software development workflows, they present new vectors for exploitation. Organizations must enhance their security protocols to address these emerging threats, ensuring that AI tools are configured to disclose and verify the full execution chain of setup commands to prevent unauthorized code execution.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(medium)
IImpact(low)
Read report
Cybersecurity Firms Deceived by Fraudulent OpenAI Organization Invitations
Computer/Network Security4 months ago

Cybersecurity Firms Deceived by Fraudulent OpenAI Organization Invitations

In June 2026, cybersecurity firms were targeted by a sophisticated social engineering campaign dubbed 'Poisoned Tenant.' Threat actors created fraudulent OpenAI ChatGPT organizations impersonating legitimate companies and sent authentic-looking invitations to employees, urging them to join these fake tenants. Upon acceptance, employees were granted administrative privileges, potentially exposing sensitive company information. The attackers utilized OpenAI's legitimate notification system, making the invitations appear credible and bypassing standard email security measures. This incident underscores the evolving tactics of cyber adversaries who exploit trusted platforms to execute social engineering attacks. The use of legitimate services to deliver malicious content highlights the need for organizations to enhance their security awareness training and implement robust verification processes for unsolicited invitations, even when they appear to originate from trusted sources.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(low)
C&CCommand & Control(low)
EExfiltration(medium)
IImpact(medium)
Read report
Polymarket Supply-Chain Attack Results in $3 Million Theft
Financial Services4 months ago

Polymarket Supply-Chain Attack Results in $3 Million Theft

In June 2026, Polymarket, a leading cryptocurrency-based prediction market platform, suffered a supply-chain attack resulting in the theft of approximately $3 million from its customers. Attackers compromised a third-party vendor, injecting malicious JavaScript into Polymarket's frontend. This script deceived users into approving fraudulent transactions, leading to unauthorized fund transfers. The platform's backend infrastructure remained unaffected, and Polymarket has committed to fully reimbursing the impacted users. This incident underscores the escalating threat of supply-chain attacks targeting financial platforms. As cybercriminals increasingly exploit third-party dependencies to infiltrate systems, organizations must enhance their security measures and conduct thorough audits of their supply chains to mitigate such risks.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(low)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
StrikeShark Campaign Unleashes SharkLoader to Deploy Cobalt Strike Beacons
Government Administration4 months ago

StrikeShark Campaign Unleashes SharkLoader to Deploy Cobalt Strike Beacons

In June 2026, a cyber attack campaign named StrikeShark was identified, deploying a new malware loader called SharkLoader to deliver Cobalt Strike Beacons on compromised systems. The campaign targeted a diverse range of entities, including diplomatic organizations in Indonesia, government bodies in Taiwan, and software development companies across multiple countries. Attackers exploited known vulnerabilities in Microsoft Exchange Server (CVE-2021-26855), Openfire (CVE-2023-32315), and GeoServer (CVE-2024-36401) to gain initial access, subsequently establishing persistence through web shells and DLL side-loading techniques. The use of open-source post-compromise tools like FScan and Pillager suggests potential involvement of Chinese-speaking threat actors. This incident underscores the persistent threat posed by sophisticated malware loaders and the exploitation of known vulnerabilities. Organizations must prioritize timely patching and employ robust detection mechanisms to mitigate such risks. The broad geographic reach and diverse target set of this campaign highlight the evolving tactics of threat actors in the current cyber threat landscape.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(high)
C&CCommand & Control(high)
EExfiltration(low)
IImpact(low)
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Gamaredon's 2025 Spearphishing Escalation: A Wake-Up Call for Cybersecurity
Government Administration4 months ago

Gamaredon's 2025 Spearphishing Escalation: A Wake-Up Call for Cybersecurity

In 2025, the Russian state-sponsored APT group Gamaredon intensified its cyber espionage activities against Ukrainian governmental institutions. The group launched numerous spearphishing campaigns, introducing six new malware tools leveraging PowerShell and VBScript to enhance stealth, persistence, and lateral movement. Notably, Gamaredon concealed its command-and-control infrastructure behind Cloudflare tunnels and utilized third-party services like Telegram and Dropbox to obfuscate its operations. ([eset.com](https://www.eset.com/uk/about/newsroom/press-releases/eset-research-russias-gamaredon-apt-group-unleashed-spearphishing-campaigns-against-ukraine-with-an-evolved-toolset-uk/?utm_source=openai)) This escalation underscores the evolving threat landscape, highlighting the need for organizations to adopt advanced detection and response strategies to counter sophisticated state-sponsored cyber threats.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(medium)
Read report
Russia's Unauthorized Use of Cellebrite Tools on Activist's iPhone
Law Enforcement4 months ago

Russia's Unauthorized Use of Cellebrite Tools on Activist's iPhone

In June 2021, Russian authorities utilized Cellebrite's Universal Forensic Extraction Device (UFED) to access the iPhone of detained opposition activist Andrey Pivovarov. This occurred three months after Cellebrite announced the cessation of sales and services to Russian government clients in March 2021. Forensic evidence and Russian court documents confirm that investigators extracted data, including WhatsApp and Telegram messages, and searched for political terms and opposition figures. This incident underscores the challenges technology vendors face in controlling the use of their tools post-sale, especially when used by authoritarian regimes. The continued operation of Cellebrite's tools in Russia, despite the termination of official support, highlights the need for more robust mechanisms to prevent misuse of surveillance technologies.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(high)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
Gaslight Malware: A New Challenge for AI-Based Security on macOS
Computer Software/Engineering4 months ago

Gaslight Malware: A New Challenge for AI-Based Security on macOS

In June 2026, cybersecurity researchers identified a new macOS malware named 'Gaslight,' attributed to a North Korean-linked threat actor. This Rust-based malware functions as a backdoor and information stealer, embedding 38 fabricated system messages within its binary. These messages, formatted to resemble legitimate developer logs and error reports, aim to mislead AI-assisted malware analysis tools by simulating analysis errors, potentially causing the tools to abort or misinterpret the malware's behavior. The emergence of 'Gaslight' underscores a growing trend where threat actors develop sophisticated techniques to evade detection by AI-driven security solutions. This incident highlights the need for continuous advancement in cybersecurity defenses to counteract evolving obfuscation methods employed by adversaries.

Low impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(medium)
Read report
Poland's Crackdown on SIM-Swap Crypto Theft: A 2026 Case Study
Telecommunications4 months ago

Poland's Crackdown on SIM-Swap Crypto Theft: A 2026 Case Study

In June 2026, Polish authorities, with support from the FBI and Homeland Security Investigations, arrested four individuals involved in a sophisticated SIM-swapping scheme targeting cryptocurrency exchanges. The perpetrators breached IT systems of entities collaborating with telecom operators, using specialized software and social engineering to access employee email accounts. This enabled them to hijack victims' phone numbers, intercept SMS messages, and gain control over cryptocurrency exchange accounts, resulting in the theft and laundering of digital assets exceeding tens of millions of Polish zloty. ([thecoinomist.com](https://thecoinomist.com/news/poland-detains-four-sim-swap-crypto-heist-merry-linked/?utm_source=openai)) This incident underscores the escalating threat of SIM-swapping attacks in the cryptocurrency sector, highlighting the need for enhanced security measures beyond SMS-based two-factor authentication. The collaboration between Polish authorities and U.S. agencies reflects the global nature of cybercrime and the importance of international cooperation in combating such threats.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(high)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
Gaslight Malware: A New Threat Targeting AI-Assisted Security on macOS
Computer Software/Engineering4 months ago

Gaslight Malware: A New Threat Targeting AI-Assisted Security on macOS

In June 2026, cybersecurity researchers identified 'Gaslight,' a Rust-based macOS malware attributed to North Korean threat actors. Gaslight employs a novel prompt injection technique, embedding 38 fabricated system messages to deceive AI-assisted malware analysis tools into aborting or refusing analysis. The malware establishes persistence via a LaunchAgent labeled 'com.apple.system.services.activity' and utilizes the Telegram Bot API for command-and-control communication. It collects sensitive data, including browser information, terminal histories, and the macOS Keychain database, exfiltrating this data through encrypted channels. ([infosecurity-magazine.com](https://www.infosecurity-magazine.com/news/macos-gaslight-rust-backdoor/?utm_source=openai)) This incident underscores the evolving tactics of threat actors who are now targeting AI-based security tools. The use of prompt injection to manipulate AI analysis represents a significant shift in cyberattack methodologies, highlighting the need for enhanced security measures to protect AI-driven systems from such adversarial inputs. ([infosecurity-magazine.com](https://www.infosecurity-magazine.com/news/macos-gaslight-rust-backdoor/?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(low)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
Russia's Continued Use of Cellebrite Tools Raises Concerns
Law Enforcement4 months ago

Russia's Continued Use of Cellebrite Tools Raises Concerns

In June 2021, Russian authorities utilized Cellebrite's Universal Forensic Extraction Device (UFED) to access the iPhone of detained human rights activist Andrey Pivovarov. This occurred despite Cellebrite's public announcement in March 2021 that it had ceased all sales and services to Russian government agencies. The extracted data reportedly included communications from encrypted messaging apps, which were subsequently used to surveil other dissidents. This incident underscores the challenges technology companies face in controlling the use of their tools post-sale, especially when they are employed for political repression. The case highlights the need for robust mechanisms to prevent the misuse of surveillance technologies by authoritarian regimes, even after contractual relationships have been terminated.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(high)
Read report
DraftKings 2022 Credential Stuffing Attack: A Case Study
Gambling/Casinos4 months ago

DraftKings 2022 Credential Stuffing Attack: A Case Study

In November 2022, DraftKings, a prominent sports betting platform, experienced a credential stuffing attack that compromised approximately 68,000 user accounts. Attackers exploited reused or weak passwords to gain unauthorized access, leading to the theft of nearly $300,000 from customer accounts. The company promptly reimbursed affected users and emphasized the importance of unique passwords and two-factor authentication to enhance account security. This incident underscores the growing threat of credential stuffing attacks, where cybercriminals leverage stolen credentials from previous breaches to infiltrate accounts on other platforms. The DraftKings case highlights the critical need for robust password practices and multi-factor authentication to mitigate such risks.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(low)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
Klue OAuth Breach: A Wake-Up Call for Third-Party Integration Security
Computer Software/Engineering4 months ago

Klue OAuth Breach: A Wake-Up Call for Third-Party Integration Security

In June 2026, attackers exploited a legacy credential to breach Klue's backend servers, deploying malicious code that harvested OAuth tokens used to integrate with third-party platforms, including Salesforce. Utilizing these tokens, the attackers accessed and exfiltrated substantial CRM data—such as business contacts, price quotes, and sales communications—from multiple organizations, including Huntress and Recorded Future. The extortion group 'Icarus' claimed responsibility, threatening to leak the stolen data if ransom demands were not met. In response, Salesforce disabled the Klue Battlecards app integration to prevent further unauthorized access. This incident underscores the critical vulnerabilities associated with third-party integrations and the importance of stringent access controls and credential management. The exploitation of OAuth tokens highlights a growing trend in supply chain attacks, emphasizing the need for organizations to reassess and fortify their security postures against such sophisticated threats.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
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