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Enhancing Email Security with MTA-STS and SMTP TLS Reporting

Enhancing Email Security with MTA-STS and SMTP TLS Reporting
Jan 25, 2021
In 1982, when SMTP was first specified, it did not contain any mechanism for providing security at the transport level to secure communications between mail transfer agents. Later, in 1999, the STARTTLS command was added to SMTP that in turn supported the encryption of emails in between the servers, providing the ability to convert a non-secure connection into a secure one that is encrypted using TLS protocol. However, encryption is optional in SMTP, which implies that emails can be sent in plaintext.  Mail Transfer Agent-Strict Transport Security (MTA-STS)  is a relatively new standard that enables mail service providers the ability to enforce Transport Layer Security (TLS) to secure SMTP connections and to specify whether the sending SMTP servers should refuse to deliver emails to MX hosts that that does not offer TLS with a reliable server certificate. It has been proven to successfully mitigate TLS downgrade attacks and Man-in-the-Middle (MitM) attacks. SMTP TLS Reporting (TLS-

New Settings Let Hackers Easily Pentest Facebook, Instagram Mobile Apps

New Settings Let Hackers Easily Pentest Facebook, Instagram Mobile Apps
Mar 26, 2019
Facebook has introduced a new feature in its platform that has been designed to make it easier for bug bounty hunters to find security flaws in Facebook, Messenger, and Instagram Android applications. Since almost all Facebook-owned apps by default use security mechanisms such as Certificate Pinning to ensure integrity and confidentiality of the traffic, it makes it harder for white hat hackers and security researchers to intercept and analyze network traffic to find server-side security vulnerabilities. For those unaware, Certificate Pinning is a security mechanism designed to prevent users of an application from being a victim of network-based attacks by automatically rejecting the whole connection from sites that offer bogus SSL certificates. Dubbed " Whitehat Settings ," the new option now lets researchers easily bypass Certificate Pinning on the Facebook-owned mobile apps by: Disabling Facebook's TLS 1.3 support Enabling proxy for Platform API requests

Cracking the Code to Vulnerability Management

SaaS
websitewiz.ioVulnerability Management / Cloud Security
Vulnerability management in the cloud is no longer just about patches and fixes. In this latest report, the Wiz Security Research team put vulnerability management theory into practice using recently identified vulnerabilities as examples. Get the FREE report.

Make a Fresh Start for 2024: Clean Out Your User Inventory to Reduce SaaS Risk

Make a Fresh Start for 2024: Clean Out Your User Inventory to Reduce SaaS Risk
Dec 04, 2023SaaS Security / Data Security
As work ebbs with the typical end-of-year slowdown, now is a good time to review user roles and privileges and remove anyone who shouldn't have access as well as trim unnecessary permissions. In addition to saving some unnecessary license fees, a clean user inventory significantly enhances the security of your SaaS applications. From reducing risk to protecting against data leakage, here is how you can start the new year with a clean user list.  How Offboarded Users  Still  Have Access to Your Apps When employees leave a company, they trigger a series of changes to backend systems in their wake. First, they are removed from the company's identity provider (IdP), which kicks off an automated workflow that deactivates their email and removes access to all internal systems. When enterprises use an SSO (single sign-on), these former employees lose access to any online properties – including SaaS applications – that require SSO for login.  However, that doesn't mean that former employee

Wikileaks Unveils CIA's Man-in-the-Middle Attack Tool

Wikileaks Unveils CIA's Man-in-the-Middle Attack Tool
May 06, 2017
Wikileaks has published a new batch of the Vault 7 leak , detailing a man-in-the-middle (MitM) attack tool allegedly created by the United States Central Intelligence Agency (CIA) to target local networks. Since March, WikiLeaks has published thousands of documents and other secret tools that the whistleblower group claims came from the CIA. This latest batch is the 7th release in the whistleblowing organization's 'Vault 7' series. Dubbed Archimedes , the newly released CIA tool, dumped on Friday, purportedly used to attack computers inside a Local Area Network (LAN). According to the leaked documents, this MitM tool was previously named 'Fulcrum' but later was renamed to 'Archimedes' with several improvements on the previous version, like providing a way to "gracefully shutting down the tool on demand," and adding "support for a new HTTP injection method based on using a hidden iFrame." The leaked documents describe Archimede

Dangerous Rootkit found Pre-Installed on nearly 3 Million Android Phones

Dangerous Rootkit found Pre-Installed on nearly 3 Million Android Phones
Nov 19, 2016
Here's some bad news for Android users again. Nearly 3 Million Android devices worldwide are vulnerable to man-in-the-middle (MITM) attacks that could allow attackers to remotely execute arbitrary code with root privileges, turning over full control of the devices to hackers. According to a new report from security rating firm BitSight, the issue is due to a vulnerability in the insecure implementation of the OTA (Over-the-Air) update mechanism used by certain low-cost Android devices, including BLU Studio G from US-based Best Buy. Backdoor/Rootkit Comes Pre-installed The vulnerable OTA mechanism, which is associated with Chinese mobile firm Ragentek Group, contains a hidden binary — resides as /system/bin/debugs — that runs with root privileges and communicates over unencrypted channels with three hosts. According to the researchers, this privileged binary not only exposes user-specific information to MITM attackers but also acts as a rootkit, potentially allowing

Chinese Government Executes MITM Attack against iCloud

Chinese Government Executes MITM Attack against iCloud
Oct 21, 2014
Apple iCloud users in China are not safe from the hackers — believed to be working for Chinese government — who are trying to wiretap Apple customers in the country. Great Fire , a reputed non-profit organization that monitors Internet censorship in China, claimed that the Chinese authorities have launched a nationwide Man in the Middle (MITM) campaign against users of Apple's iCloud service, designed to steal users' login credentials and access private data. MAN-IN-THE-MIDDLE ATTACK The attacks on the iCloud service was first reported on Saturday and come as Apple begins the official rollout of its latest launched iPhone 6 and 6 Plus on the Chinese mainland. If we talk about less publicized but more danger, Man-in-the-Middle (MitM) attack is the most common one. By attempting MitM attack, a potential attacker could intercept users' internet communication, steal sensitive information and even hijack sessions. ACCESS TO CREDENTIALS AND ALL PERSONAL DATA Usin

Millions of LinkedIn Users at Risk of Man-in-the-Middle Attack

Millions of LinkedIn Users at Risk of Man-in-the-Middle Attack
Jun 19, 2014
Two year back in 2012, one of the most popular online social networking sites Linkedin spent between $500,000 and $1 million on forensic work after millions of its users' account passwords were compromised in a major security data breach. But, it seems that the company hasn't learned any lesson from it. WHAT IS MAN-IN-THE-MIDDLE (MitM) ATTACK Before moving on to the story, let us discuss some emerging and common threats against the social networking sites nowadays. If we talk about less publicized but more danger, then Man-in-the-Middle (MitM) attack is the most common one. By attempting MitM attack, a potential attacker could intercept users' internet communication, steal sensitive information and even hijack sessions. Though MitM attacks are popular and have existed for years, a major categories of today's largest websites and social networking sites still haven't taken the necessary steps to safeguard their users' personal and sensitive data from the vulnerabil
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