Mimecast, which provides email management systems, updates that the hacker was able to hack into the company’s systems and access customer information.
According to the company, the hacker was able to gain access to a certificate used to identify Mimecast services located on Microsoft’s server.
The company also states that all customers who may have been harmed have been updated and it also asks all customers of the company to replace the existing certificate in their possession with a new certificate issued by the company.
The breach was identified by Microsoft, which updated Mimecast that an unidentified source accessed the company’s servers.
According to DZNet: Mimecast says hackers abused one of its certificates to access Microsoft accounts.
Mimecast, a provider of email management software, said learned of the security incident from Microsoft.
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Legal Language in AI Is Becoming a New Cyber Threat
⚠️ Legal Language Could Trick Your AI Systems
Generative AI is under attack in ways most organizations aren’t prepared for.
Cybercriminals are exploiting AI’s understanding of legal phrasing to manipulate automated decisions, bypassing traditional security measures.
Deceptive instructions embedded in contracts, policies, or communications may seem legitimate to humans but can trigger unauthorized actions in AI systems.
The risks are clear: financial loss, operational disruption, and reputational damage are just a single clever instruction away.
AUMINT.io offers real-time monitoring and anomaly detection for AI workflows, giving enterprises the insight needed to prevent manipulation before damage occurs.
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🛠️ CISOs: 10 Free Open-Source Security Tools You Need 🛠️
Managing cybersecurity doesn’t have to come with a huge price tag. Open-source tools provide powerful protection, detection, and monitoring without the licensing costs.
Here’s a curated list of 10 free open-source security tools every CISO should know:
1️⃣ Wazuh – SIEM and endpoint monitoring platform for threat detection and compliance.
https://wazuh.com/
2️⃣ OSQuery – Query endpoints with SQL-like commands for visibility and auditing.
https://osquery.io/
3️⃣ MISP (Malware Information Sharing Platform) – Share, store, and consume threat intelligence.
https://www.misp-project.org/
4️⃣ TheHive Project – Collaborative incident response and case management platform.
https://thehive-project.org/
5️⃣ Cortex – Analysis engine to automate threat investigation workflows.
https://www.theforeman.org/plugins/cortex/
6️⃣ GRR Rapid Response – Remote live forensics and incident response framework.
https://github.com/google/grr
7️⃣ Security Onion – Linux distro packed with monitoring, detection, and threat hunting tools.
https://securityonionsolutions.com/
8️⃣ Nikto2 – Web server scanner to detect dangerous files and outdated software.
https://github.com/sullo/nikto
9️⃣ Trivy – Container and Kubernetes vulnerability scanner.
https://aquasecurity.github.io/trivy/
🔟 MITRE ATT&CK Navigator – Visualize attacker tactics and techniques for improved defense.
https://attack.mitre.org/
Combine these tools to build a strong security foundation, enhance visibility, and respond to threats faster.
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Why Executive personal identifiable information Exposure Demands Continuous Monitoring
🕵️ Executive PII Risks Require Constant Monitoring
High-profile executives are prime targets for cybercriminals.
Even minor exposures of executive personal information can trigger phishing, fraud, or social engineering attacks that jeopardize both the individual and the organization.
Static security checks are no longer enough. Executives often share data across multiple devices and personal channels, creating constant exposure opportunities.
Continuous monitoring detects leaks, unusual activity, and potential misuse before full-scale breaches occur.
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