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Marketing/Advertising/Sales
Breach intelligence, attack campaigns, and threat reports targeting the Marketing/Advertising/Sales sector.
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Marketing/Advertising/Sales Threat Reports
Fake Calendly Invites Target Top Brands to Hijack Business Ad Accounts
In mid-2024, a sophisticated phishing campaign leveraged fake Calendly invitation emails to impersonate established brands such as Unilever, Disney, MasterCard, LVMH, and Uber. The attackers crafted convincing lures to target business users and administrators, aiming to harvest credentials for Google Workspace and Facebook Business accounts. Victims who clicked malicious links were redirected to lookalike phishing pages designed to steal login data, potentially enabling unauthorized access to digital ad campaigns, sensitive corporate data, and financial assets. The tactics combined brand impersonation, social engineering, and business workflow subversion, which heightened trust and success rates for attackers. This incident underscores the growing risks of identity-driven attacks that target business SaaS platforms, as cybercriminals increasingly exploit collaboration tools to penetrate defenses. Such phishing methods continue to evolve, challenging traditional detection and user awareness while putting critical business operations at risk.
8 months ago
Kill Chain
JackFix Campaign Exploits Fake Windows Updates to Spread Infostealers in 2025
In late 2025, cybersecurity researchers uncovered a campaign orchestrated by the JackFix group using cloned adult websites as a phishing lure, distributed primarily through malvertising channels. Victims visiting these sites were presented with fake Windows update pop-ups designed to imitate critical security notifications. Unsuspecting users were tricked into executing malicious payloads that installed multiple information stealers, enabling the attackers to exfiltrate credentials, session tokens, and sensitive browser data. This attack illustrates how adversaries exploit popular platforms and social engineering to bypass traditional security controls, posing significant risks to both individuals and enterprises. The incident is particularly significant given the continued adoption of sophisticated phishing techniques and the blending of legitimate web content with highly convincing fraudulent prompts. Enterprises must remain vigilant as such campaigns highlight persistent weaknesses in endpoint protections, user awareness, and lateral movement defenses against infostealers.
8 months ago
Kill Chain
Salesloft Drift SaaS Breach: How Excessive Trust Unlocked CRM Data
In early 2024, the Salesloft Drift SaaS integration breach unfolded when attackers exploited security weaknesses in the Drift chatbot’s OAuth implementation. Malicious actors obtained chatbot OAuth tokens—intended for secure system integrations—and leveraged these for legitimate API calls against customer CRM environments, such as Salesforce. Because the tokens remained valid and were often granted excessive standing privileges, attackers could exfiltrate sensitive business records, contact information, support data, and even embedded credentials across over 700 organizations, all without immediate detection. This breach underscored a powerful new threat vector involving identity and permissions sprawl in SaaS and AI-driven environments. As organizations increasingly rely on deeply integrated third-party systems with broad and persistent access, similar attacks targeting privileged automation and identity-based authorizations are expected to surge without robust governance and continuous monitoring.
8 months ago
Kill Chain
Hundreds of Salesforce Customers Impacted: Gainsight Supply Chain Attack by ShinyHunters
In June 2024, Salesforce customers experienced a significant supply chain breach after a third-party vendor, Gainsight, was compromised in an ongoing campaign traced to the ShinyHunters/UNC6240 threat group. Attackers exploited OAuth application connections between Gainsight and Salesforce, potentially impacting over 200 customer instances and exposing sensitive business data. Salesforce responded promptly by revoking access tokens to block further unauthorized entry but confirmed that no vulnerabilities existed within its core platform. The incident echoes a previous attack wave against Salesloft Drift integrations targeting Salesforce users within the same threat cluster, highlighting persistent exploitation of third-party SaaS application connections. The breach underscores mounting risks associated with SaaS supply chain integrations and highlights a shift in attacker tactics toward abusing trusted app connectors. As enterprises continue to expand reliance on cloud-based business platforms and third-party vendors, such attacks increase the urgency for rigorous vendor risk management, least-privilege access policies, and enhanced anomaly detection.
8 months ago
Kill Chain
2024 Salesloft-Drift Supply Chain Breach: AWS Credential Exposure and Cloud Security Lessons
In early 2024, a sophisticated supply chain attack targeted the Salesloft and Drift integration, leading to the compromise of AWS credentials and unauthorized access to cloud environments. Threat actors exploited weaknesses in the integration pipeline, leveraging exposed secrets to move laterally and access sensitive customer data before the breach became public. Red Canary detected anomalous cloud activity tied to this attack, providing early detection prior to broad public awareness and response, thereby helping to mitigate further impact. This incident is significant as it demonstrates the growing frequency and sophistication of supply chain attacks within SaaS and cloud services, especially those exploiting secret leaks and third-party application integrations. The breach highlights the need for heightened vigilance, identity and credential protection, and advanced threat detection capabilities in the cloud ecosystem.
8 months ago
Kill Chain
WordPress Sites Under Siege: Critical Post SMTP Plugin Flaw Exposes 400,000+ Websites
In June 2024, a critical vulnerability was discovered in the Post SMTP mailer plugin for WordPress, widely used by over 400,000 sites. This flaw allows unauthenticated attackers to reset admin accounts and take full control of affected websites. Threat actors have already exploited the vulnerability by leveraging malicious password reset links, leading to complete site compromise, potential data theft, and abuse of compromised infrastructure for further attacks. The vulnerability prompted emergency patching and urgent advisories from both the plugin authors and security firms. This incident underscores the persistent threat posed by plugin vulnerabilities in the WordPress ecosystem, which remains a popular target for cybercriminals due to its vast user base. The surge in attacks exploiting supply chain and third-party plugin weaknesses highlights the need for rapid vulnerability management and robust security controls for web applications.
8 months ago
Kill Chain
WordPress Post SMTP Plugin Exploited in Mass Admin Account Hijacks (2024)
In early June 2024, cybersecurity researchers identified that a critical vulnerability in the Post SMTP WordPress plugin was being actively exploited by threat actors. This vulnerability allowed attackers to hijack administrator accounts across more than 400,000 affected WordPress sites, enabling complete site control and potentially permitting installation of malicious payloads. Attackers gained initial access through the plugin's weak nonce verification, escalating privileges to compromise sites, deploy backdoors, and exfiltrate sensitive data. The incident demonstrates how widespread web application vulnerabilities can be rapidly weaponized, putting enterprises and small businesses alike at risk of data loss, defacement, or further compromise. The Post SMTP exploitation highlights a recent surge in attacks leveraging zero-day or unpatched CMS plugins on large scales, reflecting attackers’ growing focus on supply chain and SaaS-adjacent targets. As organizations increasingly depend on third-party tools and platforms, maintaining rapid patch cycles and comprehensive visibility into software components is more critical than ever.
8 months ago
Kill Chain
Dentsu Subsidiary Employee Data Stolen in 2024 Breach: What Enterprises Must Know
In June 2024, a subsidiary of global marketing and PR giant Dentsu experienced a significant data breach in which unidentified threat actors accessed and stole sensitive employee information. The breach reportedly targeted internal personnel data, potentially exposing names, contact information, and other personally identifiable details, though Dentsu has not publicly shared whether client data was affected. The precise entry vector has not been disclosed, but the attack highlights vulnerabilities in east-west traffic inspection and data-in-transit encryption within subsidiary environments. Dentsu's management responded by initiating a comprehensive forensic investigation and notifying affected employees while enhancing internal security protocols. This breach accentuates the growing targeting of large holding companies and their subsidiaries, as attackers increasingly seek weak links in global enterprise ecosystems. With regulatory pressure mounting and privacy violations facing stiffer penalties worldwide, all large organizations must urgently reassess how they secure internal traffic and control access across decentralised operational units.
8 months ago
Kill Chain
YouTube Ghost Network: 2025 Infostealer Botnets Target Users at Scale
In early 2025, a sophisticated malware operation known as the YouTube Ghost Network leveraged compromised accounts and extensive botnets to deliver highly effective infostealer payloads to unsuspecting users. Attackers exploited both social engineering and automated bot infrastructure to distribute malware at scale via malicious YouTube links and hijacked channels, resulting in a threefold increase in infostealer output within months. The campaign focused on harvesting credentials, session tokens, and other sensitive data through obfuscated lures and persistent infiltration tactics, impacting thousands of users globally and raising significant concerns about platform-based threats. This incident underscores the surging trend of infostealer campaigns utilizing social platforms as distribution vectors, challenging traditional detection and response strategies. Escalating reliance on cloud services and digital identities intensifies the risk, making proactive monitoring and policy enforcement critical as adversaries weaponize trusted channels and automation for rapid expansion.
8 months ago
Kill Chain
Dentsu Merkle 2024 Data Breach: What Went Wrong and How to Respond
In June 2024, Japanese advertising conglomerate Dentsu disclosed a cybersecurity breach affecting its U.S.-based subsidiary, Merkle. Unauthorized attackers gained access to internal systems, resulting in the exposure of sensitive employee and client data. The incident was detected after suspicious activity was identified, prompting an immediate investigation and containment measures. While the full extent of the breach is under review, initial reports confirm that personally identifiable information and potentially business-critical records were compromised, highlighting gaps in east-west traffic security and egress controls within corporate IT infrastructure. This incident demonstrates the continuing trend of cyberattacks against major marketing and advertising firms, which are prized for their troves of client data. Organizations are under mounting pressure to modernize east-west traffic security, enforce strict network segmentation, and rapidly detect post-compromise anomaly activity as threat actors increasingly target supply chain partners and professional services firms.
8 months ago
Kill Chain
WordPress Mass Exploitation 2024: The Risks of Outdated Plugin Vulnerabilities
In June 2024, a mass exploitation campaign targeted thousands of WordPress websites worldwide by abusing known critical vulnerabilities in the GutenKit and Hunk Companion plugins. Attackers leveraged outdated versions lacking essential security patches to achieve remote code execution (RCE), enabling full control over affected sites. The campaign's automated exploits installed malicious payloads, manipulated website content, and frequently enabled further lateral movement or data theft. Organizations relying on vulnerable plugins faced significant reputational and operational disruption, with site defacements, malware delivery, and potential customer data exposure as key impacts. The incident highlights the persistent security challenge posed by unpatched plugins in popular web platforms. Amid a surge in mass web exploitation and supply chain attacks against CMS ecosystems, adversaries are rapidly weaponizing public proof-of-concept exploits, putting organizations at immediate risk from even dated vulnerabilities.
8 months ago
Kill Chain
YouTube Malware Network: Over 3,000 Malicious Videos Unleashed in 2025 Campaign
In 2025, a coordinated cybercriminal network leveraged YouTube to distribute malware by uploading over 3,000 malicious videos disguised as legitimate content. The actors abused the platform’s trusted reputation and sophisticated SEO tactics to trick users into downloading harmful payloads linked from these videos. First detected in 2021, the operation escalated throughout 2025, with the volume of malicious uploads tripling and impacting thousands of unsuspecting viewers worldwide. The campaign has demonstrated the persistent risk posed by seemingly trustworthy public platforms being subverted for large-scale malware distribution, resulting in significant data compromise and potential financial losses for both individuals and organizations. This incident reflects a broader trend where threat actors exploit popular social media and video platforms to evade conventional perimeter defenses and reach wider audiences. The proliferation of such tactics underscores the urgent need for organizations and users to increase vigilance and adopt security controls that emphasize east-west traffic security, anomaly detection, and robust egress monitoring.
8 months ago
Kill Chain
Stop Active Cloud Data Exfiltration
Aviatrix Rapid Containment helps teams instantly identify what data is leaving the environment, from which workload, and where it’s going — during an active breach.
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