CVE-2021-29957

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird 78.10.2...

CVE-2021-29957

Thunderbird

CVE-2021-20025: SonicWall Email Security Appliance Backdoor Credential

The virtual, on-premises version of the SonicWall Email Security Appliance ships with an undocumented, static credential, which can be used by an attacker to gain root privileges on the device. This is an instance of CWE-798: Use of Hard-coded Credentials, and has an estimated CVSSv3 score of 9.1...

How to Create a Simulated Phishing Attack Across Your Company

Email is one of the many weapons at the disposal of bad actors on the Internet, and your employees are in the firing line. Attackers try to hide behind a trusted entity, sometimes even masquerading as a known vendor or even as a representative of a group within your own organization, like HR or I...

Cisco Smart Switches Riddled with Security Holes

Cisco has flagged and patched several high-severity security vulnerabilities in its Cisco Small Business 220 Series Smart Switches that could allow session hijacking, arbitrary code execution, cross-site scripting and HTML injection. It also issued fixes for high-severity problems in the AnyConne...

Geek Squad Vishing Attack Bypasses Email Security to Hit 25K Mailboxes

A pair of billing and tech support “vishing” attacks using Geek Squad and Norton Antivirus as cover managed to hit 25,000 mailboxes recently, questing after victims’ credit-card details. Vishing a contraction of “voice phishing” generally involves stealing personal information from victims over t...

Threat Actors Use Google Docs to Host Phishing Attacks

Threat actors are exploiting Google Docs by hosting their attacks within the web-based document service in a new phishing campaign that delivers malicious links aimed at stealing victims’ credentials. Researchers at email and collaboration security firm Avanan discovered the campaign, which is th...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages...

Vulnerability fixed in Cisco Email Security Appliance and Web Security Appliance

Cisco has fixed a vulnerability in the integration of Advanced Malware Protection AMP for Endpoints in Cisco Email Security Appliance and Cisco Web Security Appliance. The vulnerability involves improper validation of TLS certificates. A malicious party could, as a result, via a Man-in-the-Middle...

CVE-2021-1566

A vulnerability in the Cisco Advanced Malware Protection AMP for Endpoints integration of Cisco AsyncOS for Cisco Email Security Appliance ESA and Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers...

CVE-2021-1566 Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability

A vulnerability in the Cisco Advanced Malware Protection AMP for Endpoints integration of Cisco AsyncOS for Cisco Email Security Appliance ESA and Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers...

CVE-2021-1566

CVE-2021-1566 affects Cisco Email Security Appliance (ESA) and Cisco Web Security Appliance (WSA) due to improper TLS certificate validation in the AMP for Endpoints integration (AsyncOS). A remote, unauthenticated attacker could perform a man-in-the-middle to intercept traffic between the device...

CVE-2021-1566 Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability

A vulnerability in the Cisco Advanced Malware Protection AMP for Endpoints integration of Cisco AsyncOS for Cisco Email Security Appliance ESA and Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers...

Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability

A vulnerability in the Cisco Advanced Malware Protection AMP for Endpoints integration of Cisco AsyncOS for Cisco Email Security Appliance ESA and Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers...

Ransomware Attackers Partnering With Cybercrime Groups to Hack High-Profile Targets

As ransomware attacks against critical infrastructure skyrocket, new research shows that threat actors behind such disruptions are increasingly shifting from using email messages as an intrusion route to purchasing access from cybercriminal enterprises that have already infiltrated major targets...

Behind the scenes of business email compromise: Using cross-domain threat data to disrupt a large BEC campaign

Microsoft 365 Defender researchers recently uncovered and disrupted a large-scale business email compromise BEC infrastructure hosted in multiple web services. Attackers used this cloud-based infrastructure to compromise mailboxes via phishing and add forwarding rules, enabling these attackers to...

Behind the scenes of business email compromise: Using cross-domain threat data to disrupt a large BEC campaign

Microsoft 365 Defender researchers recently uncovered and disrupted a large-scale business email compromise BEC infrastructure hosted in multiple web services. Attackers used this cloud-based infrastructure to compromise mailboxes via phishing and add forwarding rules, enabling these attackers to...

All the New Privacy Features Coming to iOS and macOS

Improvements designed to keep your email private, crack down on data stealing apps, and help you find lost devices are on their way...

odix and Microsoft: Protecting users against malware attacks with free FileWall license

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Learn more about MISA. The fight against malware has become the epic battle of our generation, placing businesses of all sizes against a never-ending stream of hackers and zero-day attacks bent on...

odix and Microsoft: Protecting users against malware attacks with free FileWall license

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Learn more about MISA. The fight against malware has become the epic battle of our generation, placing businesses of all sizes against a never-ending stream of hackers and zero-day attacks bent on...