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Home 2021 September

Microsoft Autodiscover protocol leaks domain credentials

By Mark Faithfull | News, Vulnerabilities | 29 September, 2021 | 0

A flaw in the design of the Autodiscover protocol used to set-up email clients with Exchange Server can cause domain credentials to be sent in the clear to a server controlled by an attacker. The Microsoft Autodiscover protocol makes it easier for end users to configure their email client to connect to an Exchange ServerRead more

Exchange can now automatically mitigate new vulnerabilities

By Mark Faithfull | News, Tools | 29 September, 2021 | 0

The September update for Microsoft Exchange includes a new security feature for on-premises servers – they can now automatically mitigate new vulnerabilities just like the cloud versions used by Office 365. The last 12 months have not been fun for Exchange administrators with a series of high-profile vulnerabilities affecting on-premise Exchange servers resulting in theRead more

VMware issues critical security advisory

By Mark Faithfull | News, Vulnerabilities | 22 September, 2021 | 0

VMware has issued a critical security advisory for customers using vCenter Server 6.5,6.7 and 7.0 – warning customers that they need to do something about it ‘right now.’ The problem (CVE-2021-22005) is a Remote Code Execution vulnerability with a CVSS score of 9.8.  A malicious user with access to network port 443 is able toRead more

Largest Ever DDoS Exceeds 21m requests per second

By Mark Faithfull | News | 16 September, 2021 | 0

Russian Internet firm Yandex has been fighting a DDoS attack all summer, which has reached a peak attack rate of 21.8 million requests per second, powered by a quarter of a million rogue routers that form the Meris botnet. According to security firm Qrator Labs which provides DDoS protection for Yandex, up to 56,000 devicesRead more

September Patch Tuesday fixes Critical and Zero Day vulnerabilities

By Mark Faithfull | News, Vulnerabilities | 16 September, 2021 | 0

The September Patch Tuesday security bundle from Microsoft fixes 60 vulnerabilities including some rated as Critical and a zero-day vulnerability under active attack affecting Microsoft Office. Microsoft Security updates for September Microsoft MSHTML Remote Code Execution Vulnerability (CVE-2021-40444) was publicised in early September when Microsoft warned Office 365 customers about the vulnerability.  The flaw wasRead more

Key lessons from the 2021 Data Breach Investigations Report

By Mark Faithfull | Articles, Information Assurance | 9 September, 2021 | 1

The 2021 Data Breach Investigations report provides insights from the analysis of over 29,000 real world cyber security incidents from 2020 helping Security Managers track the evolving behaviour and tactics of threat actors. The Verizon Data Breach Investigations report has become a regular fixture on the annual cyber security calendar over the last 14 years.Read more

Critical patches released for Netgear Switches

By Mark Faithfull | News, Vulnerabilities | 8 September, 2021 | 0

Netgear has published patches for 20 of its managed smart switches to fix three vulnerabilities that can lead to the switch being taken over by an attacker potentially giving them control over your network. With names like Demons Cries, Draconian Fear and Seventh Inferno, the vulnerabilities were addressed in patches released by Netgear on 3rdRead more

Microsoft warns Office 365 targeted by zero-day RCE

By Mark Faithfull | News, Vulnerabilities | 8 September, 2021 | 0

A zero-day Remote Code Execution attack targeting Office 365 and Office 2019 users has prompted Microsoft to issue a security advisory with a workaround to protect your network until a patch is available. According to the security advisory released by Microsoft: Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affectsRead more

The rise and rise of BEC fraud

By Mark Faithfull | Articles, Social Engineering | 2 September, 2021 | 0

Business Email Compromise, and its evil brother CEO Fraud, are both email based fraud attacks that seek to trick the victim into paying a fake invoice or transferring or diverting funds through some other kind of deception.  Read on to learn how to protect your business from BEC Fraud. What is BEC fraud? Business EmailRead more

Yet another Exchange Server vulnerability

By Mark Faithfull | News, Vulnerabilities | 2 September, 2021 | 0

Details have emerged of (another) Exchange Server vulnerability, called ProxyToken, which allows an attacker to reconfigure an Exchange server remotely without needing to know any passwords. Reported by the Zero Day Initiative the vulnerability affects Exchange server versions 2013 through 2019: With this vulnerability, an unauthenticated attacker can perform configuration actions on mailboxes belonging toRead more

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