Private. Encrypted. Secure.
One-Time Note. No Login Required.
Customize this note — or skip and seal right away.
One-Time Note. No Login Required.
Customize this note — or skip and seal right away.
From AES-256 encryption to zero-knowledge storage, AtumSeal keeps your sensitive messages truly private.
Every note is encrypted end-to-end with AES-256 and stored with zero-knowledge architecture. Only the intended recipient can unlock it — nobody else.
Send a secure, self-destructing note in seconds. No login, no setup - just a safe, one-time message with total privacy.
Tailored for MSSPs and cybersecurity teams to exchange confidential information securely - simple, trusted, and hassle-free.
Nearly 1 in 6 cyber intrusions still begin with phishing.
Explore expert whitepapers and discover tools like AtumSeal that keep your sensitive data safe.
Email attackers often impersonate your brand — check your domain in seconds.
Six months after revealing that most mid-market private equity (PE) firms and their portfolio companies were vulnerable to email domain spoofing, Atumcell took another look. Despite scattered improvement, the threat remains pervasive.
Portfolio companies are rapidly adopting web apps, which create serious security risks. These apps require penetration testing to mitigate risks for portfolio companies, customers, and investors.
Private equity firms can achieve a high ROI on cybersecurity spending. To do so they need a pragmatic, measurable, and sustained approached. This five-step roadmap shows the way.
55 percent of mid-market PE firms and portfolio companies are vulnerable to domain spoofing, which enables phishing. No firm is fully protected across its portfolio. We've ranked the top 20 firms based on their level of protection.
Beginning an Operational Technology (OT) cyber security journey can feel overwhelming. This guide lays out a straightforward roadmap to help make tangible progress in a reasonable timeframe.
An Atumcell Red Team developed and deployed a rogue micro-controller to demonstrate Ford's vulnerability to cyber/physical attack
