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SECURITY ADVISORIES
Jul 29, 2021
UPDATE: PetitPotam NTLM Relay Attack
THE THREAT PetitPotam is a variant of the NTLM Relay attack discovered by security researcher Gilles Lionel. It is tracked as an authentication bypass vulnerability in Active Directory (Certificate Services); currently no CVE identifier has been assigned to this vulnerability. Proof of Concept (PoC) code released last week [1] relies on the Encrypting File System Remote (EFSRPC) protocol to…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Jul 12, 2021
Tecala and eSentire Partner to Protect Enterprises across APAC from Business-Disrupting Cyber Attacks
Sydney, 12 July, 2021 - Tecala, Australia’s award-winning technology services and IT consulting provider, today announced it has chosen eSentire, the global Authority in Managed Detection and Response (MDR) cybersecurity services, as their exclusive MDR solution provider in Australia and New Zealand. This partnership will enable Tecala to augment its cybersecurity practice and offer enterprises…
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Security advisories — Feb 26, 2019

KRACK Wi-Fi Vulnerability (Key Reinstallation Attacks - WPA and WPA2)

1 min read

The Threat
Researchers have discovered a flaw that exploits the 4way handshake used by WPA and WPA2. Attackers can reset the encryption key used, allowing them the ability to decrypt some traffic, perform TCP hijacking and perform HTTP injection on vulnerable devices.

On Android 6.0+ and Linux devices all non-HTTPS traffic can be decrypted. Due to skill and proximity barriers, eSentire does not consider this to be an immediate threat. Researchers have stated that they will release proof-of-concept code at "a later date". Therefore, we highly recommend the deployment of patches as they’re released.

Recommended Action
eSentire highly recommends evaluating and deploying patches as they become available from vendors.

Additional Information