Introducing the URL validation bypass cheat sheet
URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection.
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URL validation bypasses are the root cause of numerous vulnerabilities including many instances of SSRF, CORS misconfiguration, and open redirection.
Through the years, we have seen many attacks exploiting web caches to hijack sensitive information or store malicious payloads.
Some websites parse email addresses to extract the domain and infer which organisation the owner belongs to. This pattern makes email-address parser discrepa...
Websites are riddled with timing oracles eager to divulge their innermost secrets. It's time we started listening to them.
Imagine the CEO of a random company receives an email containing a PDF invoice file. In Safari and MacOS Preview, the total price displayed is £399.
We're delighted to announce three major research releases from PortSwigger Research will be published at both Black Hat USA and DEF CON 32.
The power of our XSS cheat sheet is we get fantastic contributions from the web security community and this update is no exception.
Most of the web already supports HTTPS: In fact, 93% of requests made by Firefox are already HTTPS. As a reminder, HTTP over TLS (HTTPS) fixes the security s...
When you open a HTTP request or response, what do you instinctively look for? Suspicious parameter names?
Signed web tokens are widely used for stateless authentication and authorization throughout the web.
At Mozilla, we believe in an open web that is safe to use. To that end, we improve and maintain the security of people using Firefox around the world.
Have you ever found an HTTP desync vulnerability that seemed impossible to exploit due to its complicated constraints?
In this Help Net Security video, Chris Boehm, Field CTO, Zero Networks, breaks down how a vendor breach can become your breach. He explains that attackers no...
The "Breach at the Beach" CTF, created by Varonis researchers Doron Kapah and Mark Vaitsman, simulates attacks within Entra ID, focusing on how threat actors...
The compromised data includes customer salutations, first and last names, phone numbers, email addresses, dates of birth, and customer numbers.
The breach was discovered after mass emails were sent from legitimate AFA domains, claiming Argentina "stole" the win from Egypt.
Lidl disclosed a third-party data breach affecting online shop customers in Germany, Belgium, and the Netherlands. Payment data was not exposed.
Following the breach of several of her Telegram channels, controversial Russian journalist Ksenia Sobchak claimed published screenshots of her correspondence...
German discount supermarket chain Lidl has notified customers in Germany, Belgium, and the Netherlands that customer data was stolen after attackers breached...
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA cr...
Here are five steps defenders can take in the wake of the Canvas breach.
German discount supermarket chain Lidl notified customers in Germany, Belgium, and the Netherlands that attackers stole their personal information in a breac...
Learn how attackers abuse Entra ID through a free hands-on Capture the Flag. Varonis created the Breach at the Beach CTF to teach defenders how to investigat...
For the latest discoveries in cyber research for the week of 13th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES U.