Stay secure with the latest email security updates, best practices, and threat alerts to protect your inbox and sensitive information.
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Background for this topic.
Email is a system for exchanging digital messages, typically using mail servers and clients over a network. In security, it includes both the messages and the accounts, servers, domains, and authentication mechanisms that handle them. Email commonly carries phishing links, malicious attachments, and fraudulent requests for payments or credentials; compromised accounts can also be used to impersonate trusted people and conduct further attacks.
Defenses include filtering and malware scanning, phishing-resistant multifactor authentication, careful handling of links and attachments, and monitoring for unusual login or sending activity. Domain controls such as SPF, DKIM, and DMARC help receiving systems detect messages that are forged or sent without authorization, while encryption protects message contents in transit or at rest when correctly implemented. Security teams should preserve relevant headers and mailbox activity so suspicious messages can be investigated, removed, and used to identify affected accounts and other recipients.
A simple toggle in Proofpoint's email service allowed for brand impersonation at an industrial scale. It prompts the question: Are secure email gateways (SEGs) secure enough?
A Vipre study reveals a 20% increase in business email compromise attacks
We’ll TL;DR the FUDdy introduction: we all know that phishing attacks are on the rise in scale and complexity, that AI is enabling more sophisticated attacks that evade traditional defenses, and the never-ending cybersecurity talent gap means we’re all struggling to keep security teams fully staffed. Given that reality, security teams need to be able to monitor and respond to threats
Leaves a trail of ransomware infections, data theft, business email compromise in its wake Insight The developers of EvilProxy – a phishing kit dubbed the "LockBit of phishing" – have produced guides on using legitimate Cloudflare services to disguise malicious traffic. This adds to the ever-growing arsenal of tools offering criminals who lack actual technical expertise to get into the digital thievery biz.…
Guardio Labs found that attackers exploited a configuration setting in Proofpoint’s email protection service, allowing outbound messages to bypass email protections
They DKIM here, they DKIM there A huge phishing campaign exploited a security blind-spot in Proofpoint's email filtering systems to send an average of three million "perfectly spoofed" messages a day purporting to be from Disney, IBM, Nike, Best Buy, and Coca-Cola – all of which are Proofpoint customers.…
One threat actor claims to have already gathered email addresses and associated hashes from more than 110 remote IT management databases.
An unknown threat actor has been linked to a massive scam campaign that exploited an email routing misconfiguration in email security vendor Proofpoint's defenses to send millions of messages spoofing various popular companies like Best Buy, IBM, Nike, and Walt Disney, among others