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The Open Source Internet Security Company

New Jersey, USA
Joined March 2015
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🛠️ Toolkit Time! 🛠️ Every sysadmin needs a reliable toolkit. Our newsletter is your virtual Swiss Army knife for combating email threats. Stay equipped and informed with the latest insights and strategies. Subscribe now and unpack the essentials! guardiandigital.com/newslett…
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Replying to @IntCyberDigest
It's wild how one compromised account can lead to a much bigger problem. The accounts protected by MFA show why having that extra layer of security matters, especially when so much personal information is involved. I wonder how many other organizations are still relying on passwords alone.
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Replying to @The_Cyber_News
It's concerning that something as routine as a web request could end up exposing someone's email address. It makes you wonder how many third-party sites may have received that information and whether users even knew it was being shared.
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Replying to @Pirat_Nation
It'll be interesting to see how Apple handles this once the scanning rolls out. Even though it only applies to publicly shared iCloud links, I wonder how they'll make sure legitimate photos and files aren't flagged by mistake. Finding the right balance between protecting users and respecting their privacy won't be easy.
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Replying to @MartiniGuyYT
It's surprising that an app as familiar as Paint could have a security flaw this serious. It makes you wonder how many other everyday programs might have weaknesses that people don't think twice about. I'd be interested to know how researchers first uncovered this one.
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Replying to @CryptosR_Us
Wow, it's alarming that someone could lose access to their crypto wallet just by visiting a malicious website. No transaction approval or wallet connection needed. Definitely a good reminder to keep devices updated and be careful about the links we open.
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Replying to @bblack_ai
It's easy to focus on password strength and overlook the other ways attackers can get into an account. Things like SIM swapping, fake messages, and weak password reset processes can be just as risky. It really shows why organizations need to look beyond passwords and help people recognize these kinds of attacks.
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Replying to @MrWhale
The AI-powered scams are worth paying particular attention to. It's getting harder to tell what's real when attackers can clone someone's voice or create messages that sound completely convincing. People need to be especially careful with unexpected requests, even when they appear to come from someone they know.
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Replying to @IntCyberDigest
This is a good reminder that installing a patch doesn't always mean a compromised system is safe again. If attackers have already gained access, they may have left things behind that an update won't remove. That's why checking for signs of compromise and changing passwords can be just as important as patching.
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Replying to @The_Cyber_News
It's surprising how a simple approval meant to save time can end up exposing passwords and API keys. Developers don't always realize that project settings can contain sensitive information that might later make its way into a public repository. It's a good reminder to double-check what gets saved and shared, especially when using automated tools.
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Replying to @IntCyberDigest
It's interesting how attackers can turn the cloud services a company already relies on into part of an attack. Even without a direct connection to their own servers, they can use what's already available inside an AWS account. It really shows why limiting permissions and keeping an eye on unusual activity are so important.
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Phishing-resistant MFA raises the bar, but fallback paths can quietly lower it again. A strong authentication method does not deliver its full value if users can be redirected into weaker recovery, enrollment, or exception workflows. Attackers look for the path where policy becomes negotiable. Cyber resilience depends as much on those edge cases as on the control displayed in the architecture diagram. In practical terms, it is a good time to: • Identify privileged accounts still using phishable MFA methods. • Review temporary access, recovery, and break-glass procedures. • Audit Conditional Access exclusions and authentication-strength policies. • Verify newly registered devices and authentication methods after high-risk sign-ins. #MFA #IdentitySecurity #CyberResilience #RiskManagement guardiandigital.com/resource…
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After a phish, “password changed” should not automatically mean “incident closed.” Sessions and application permissions can survive a password-centric response. In practical terms, it is a good time to: • Revoke suspicious sessions. • Audit OAuth application consent. • Review Microsoft Graph permissions. • Check mailbox forwarding and inbox rules. #IncidentResponse #IdentitySecurity #Microsoft365 #SecurityOperations guardiandigital.com/resource…
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A phishing incident can cross email, identity, endpoint, and finance in minutes. Your response process should be able to do the same. In practical terms, it is a good time to: • Correlate email and Entra ID telemetry • Preserve endpoint evidence before cleanup • Review mailbox persistence mechanisms • Escalate payment changes to finance immediately • Record a shared incident timeline across teams #EmailSecurity #CloudSecurity #CyberResilience #RiskManagement guardiandigital.com/resource…
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The real test of email security is not whether one malicious message was blocked. It is whether the campaign lost every useful path into the business. In practical terms, it is a good time to: • Review related campaign detections across mailboxes. • Check Entra ID for suspicious authentication after delivery attempts. • Audit external forwarding and delegate access. • Validate SPF, DKIM, and DMARC. #EmailSecurity #PhishingProtection #SecurityOperations #CyberResilience guardiandigital.com/resource…
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Modern phishing does not always need to steal the password twice. It needs the authenticated session once. That is why email security, authentication, and session monitoring increasingly have to operate as one control system. In practical terms, it is a good time to: • Correlate phishing detections with Entra ID activity. • Review OAuth and Microsoft Graph permissions. • Check mailbox forwarding and delegation changes. • Validate phishing-resistant MFA and Conditional Access coverage. #PhishingProtection #SecurityOperations #EntraID #EmailSecurity guardiandigital.com/resource…
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The next identity incident may never ask a user for an MFA code. In practical terms, it is a good time to: • Inventory privileged enterprise applications. • Review non-human identity activity. • Validate automated containment for suspicious credentials and tokens. • Audit Microsoft Graph and directory permissions. #MFA #ThreatDetection #Microsoft365Security #Cybersecurity csoonline.com/article/423902…
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The endpoint is one control surface. Email, identity, and cloud permissions are others. Treating one as the whole defense creates predictable blind spots. In practical terms, it is a good time to: • Validate SPF, DKIM, and DMARC. • Review Conditional Access exclusions. • Audit privileged Entra ID roles. • Check SharePoint and OneDrive sharing permissions. #CloudSecurity #EmailSecurity #Governance #CyberResilience guardiandigital.com/resource…
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The security question is not only, “Was the message malicious?” It is also, “What did the request persuade someone to authorize?” That distinction changes threat detection and incident response. In practical terms, it is a good time to: • Review Entra ID sign-ins and active sessions. • Audit OAuth and Microsoft Graph permissions. • Check mailbox rules and forwarding. • Review recent privileged role changes. #Microsoft365Security #ThreatDetection #IdentitySecurity #IncidentResponse guardiandigital.com/resource…
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MFA changed the economics of account takeover. It did not end account takeover. Security programs get into trouble when a control becomes a conclusion. Attackers increasingly work around authentication through phishing proxies, session theft, consent abuse, help-desk manipulation, and trusted application access. The operational lesson is simple: successful authentication is a signal, not proof that the session is safe. Microsoft 365 security depends on what happens before, during, and after that login. In practical terms, it is a good time to: • Prioritize phishing-resistant MFA for administrators and sensitive roles. • Review Entra ID risky sign-ins and anomalous authentication patterns. • Audit OAuth application permissions and user consent. • Validate Conditional Access session and device requirements. • Check Microsoft Defender detections for identity-linked activity. Has your authentication strategy evolved beyond asking whether MFA is turned on? #MFA #Authentication #IdentitySecurity #Microsoft365Security #ThreatDetection guardiandigital.com/resource…
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Least privilege usually fails gradually, not dramatically. A temporary administrator role becomes permanent. An OAuth integration gains another permission. A project SharePoint site accumulates external users. Months later, the organization has an access model nobody intentionally designed. That is why identity security is architecture, not housekeeping. In cloud environments, permissions often define the practical attack surface more accurately than the network diagram does. In practical terms, it is a good time to: • Review privileged role assignments in Entra ID. • Audit OAuth consent grants and Microsoft Graph application permissions. • Identify inactive accounts that retain access to sensitive resources. • Review SharePoint and OneDrive permissions against current business ownership. #IdentitySecurity #EntraID #CloudSecurity #RiskManagement guardiandigital.com/resource…
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