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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📱 Free Social Media Threat Monitors You’ll Want Today 📱
Social media is a goldmine for attackers – phishing, impersonation, and reputation attacks happen daily. The good news? There are free tools CISOs can use to monitor threats across social platforms.
Here are the top free social media threat monitoring tools:
1️⃣ Social Searcher – Real-time monitoring of mentions and suspicious activity on multiple platforms.
🔗 https://www.social-searcher.com/
2️⃣ Hootsuite Free Plan – Track brand mentions and identify unusual activity trends.
🔗 https://hootsuite.com/
3️⃣ Mention (Free Tier) – Alerts for unauthorized use of company names, logos, or campaigns.
🔗 https://mention.com/en/
4️⃣ TweetDeck – Monitor Twitter accounts, keywords, and potential threat signals.
🔗 https://tweetdeck.twitter.com/
5️⃣ CrowdTangle (Free Access for Media/Research) – Detects viral content, misinformation, and brand impersonation.
🔗 https://www.crowdtangle.com/
6️⃣ Brand24 Free Plan – Track public social mentions and potential threats.
🔗 https://brand24.com/
7️⃣ Google Alerts – Simple yet powerful tool for monitoring social mentions and URLs.
🔗 https://www.google.com/alerts
⚡ Using these tools, CISOs can spot phishing campaigns, impersonation attempts, and emerging social engineering tactics before they reach employees or customers.
At AUMINT.io, we complement technical monitoring with simulated social engineering attacks, testing how employees react when attackers exploit social channels.
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Social Engineering Scams Are Reshaping Crypto Markets – Protect Your Investments
🚨 Crypto Markets Are Vulnerable to Human Exploitation
⚠️ Social engineering scams are targeting investors, executives, and crypto teams, influencing decisions and manipulating valuations.
💡 Fraudsters use deception, impersonation, and misinformation to drive panic selling or mislead institutions, creating real market impacts.
📉 Institutional confidence can collapse when human vulnerabilities are exploited, affecting asset values and investor sentiment.
🔍 AUMINT Trident simulates targeted social engineering attacks on crypto teams, identifying weak points and reinforcing critical safeguards before real losses occur.
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🌐 Free DNS Monitoring Tools Revealing Stealthy Attacks 🌐
DNS is the backbone of your network – and attackers increasingly exploit it for data exfiltration, command-and-control, and malware communication. The good news? There are free tools CISOs can use to monitor and detect stealthy DNS attacks.
Here are the top free DNS monitoring tools:
1️⃣ SecurityTrails Free Tier – Track domain changes, DNS records, and suspicious activity.
🔗 https://securitytrails.com/
2️⃣ Farsight DNSDB (Community Access) – Historical DNS data to detect anomalies.
🔗 https://www.farsightsecurity.com/solutions/dnsdb/
3️⃣ PassiveTotal (Free Plan) – Aggregates DNS and threat intelligence for early detection.
🔗 https://www.riskiq.com/solutions/passivetotal/
4️⃣ OpenDNS Investigate (Free Tier) – Domain reputation and threat visibility from Cisco.
🔗 https://umbrella.cisco.com/products/investigate
5️⃣ Quad9 DNS Monitoring – Free recursive DNS service with threat blocking and logging.
🔗 https://www.quad9.net/
6️⃣ Pi-hole – Network-level DNS sinkhole that can monitor and block suspicious domains.
🔗 https://pi-hole.net/
7️⃣ Dnstrails Community Edition – DNS intelligence and threat mapping.
🔗 https://dnstrails.com/
⚡ These tools provide early indicators of compromise, helping CISOs spot threats before they escalate. DNS monitoring is often overlooked, but it’s a powerful layer of defense.
At AUMINT.io, we combine technical monitoring with human attack simulations, showing how attackers leverage phishing, vishing, and social engineering to exploit DNS and user behavior simultaneously.
🔗 Want to see how your team would react to DNS-targeted attacks? Book a free demo
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