RSS ze světa hackingu


GhostCat: New High-Risk Vulnerability Affects Servers Running Apache Tomcat

If your web server is running on Apache Tomcat, you should immediately install the latest available version of the server application to prevent hackers from taking unauthorized control over it. Yes, that's possible because all versions (9.x/8.x/7.x/6.x) of the Apache Tomcat released in the past 13 years have been found vulnerable to a new high-severity (CVSS 9.8) 'file read and inclusion bug'…

Datum: 28. 2. 2020

Let's Encrypt Issued A Billion Free SSL Certificates in the Last 4 Years

Let's Encrypt, a free, automated, and open certificate signing authority (CA) from the nonprofit Internet Security Research Group (ISRG), has said it's issued a billion certificates since its launch in 2015. The CA issued its first certificate in September 2015, before eventually reaching 100 million in June 2017. Since late last year, Let's Encrypt has issued at least 1.2 million…

Datum: 28. 2. 2020

Why Businesses Should Consider Managed Cloud-Based WAF Protection

The City of Baltimore was under cyber-attack last year, with hackers demanding $76,000 in ransom. Though the city chose not to pay the ransom, the attack still cost them nearly $18 million in damages, and then the city signed up for a $20 million cyber insurance policy. It's very evident that cyber-attacks are not only costly in terms of time and money but also bring extensive legal liability…

Datum: 28. 2. 2020

New Wi-Fi Encryption Vulnerability Affects Over A Billion Devices

Cybersecurity researchers today uncovered a new high-severity hardware vulnerability residing in the widely-used Wi-Fi chips manufactured by Broadcom and Cypress—apparently powering over a billion devices, including smartphones, tablets, laptops, routers, and IoT gadgets. Dubbed 'Kr00k' and tracked as CVE-2019-15126, the flaw could let nearby remote attackers intercept and decrypt some…

Datum: 26. 2. 2020

New LTE Network Flaw Could Let Attackers Impersonate 4G Mobile Users

A group of academics from Ruhr University Bochum and New York University Abu Dhabi have uncovered security flaws in 4G LTE and 5G networks that could potentially allow hackers to impersonate users on the network and even sign up for paid subscriptions on their behalf. The impersonation attack — named "IMPersonation Attacks in 4G NeTworks" (or IMP4GT) — exploits the mutual authentication…

Datum: 26. 2. 2020

Google Advises Android Developers to Encrypt App Data On Device

Google today published a blog post recommending mobile app developers to encrypt data that their apps generate on the users' devices, especially when they use unprotected external storage that's prone to hijacking. Moreover, considering that there are not many reference frameworks available for the same, Google also advised using an easy-to-implement security library available as part of its…

Datum: 26. 2. 2020

Firefox enables DNS-over-HTTPS by default (with Cloudflare) for all U.S. users

If you use the Firefox web browser, here's an important update that you need to be aware of. Starting today, Mozilla is activating the DNS-over-HTTPS security feature by default for all Firefox users in the U.S. by automatically changing their DNS server configuration in the settings. That means, from now onwards, Firefox will send all your DNS queries to the Cloudflare DNS servers instead of…

Datum: 25. 2. 2020

Free Download: The Ultimate Security Pros' Checklist

You are a cybersecurity professional with the responsibility to keep your organization secured, you know your job chapter and verse, from high level reporting duties to the bits and bytes of what malware targeted your endpoints a week ago. But it's a lot to hold in one's mind, so to make your life easier, The Ultimate Security Pros' Checklist, created by Cynet, provides you with a concise and…

Datum: 25. 2. 2020

Install Latest Chrome Update to Patch 0-Day Bug Under Active Attacks

Google yesterday released a new critical software update for its Chrome web browser for desktops that will be rolled out to Windows, Mac, and Linux users over the next few days. The latest Chrome 80.0.3987.122 includes security fixes for three new vulnerabilities, all of which have been marked 'HIGH' in severity, including one that (CVE-2020-6418) has been reportedly exploited in the wild.…

Datum: 25. 2. 2020

New OpenSMTPD RCE Flaw Affects Linux and OpenBSD Email Servers

OpenSMTPD has been found vulnerable to yet another critical vulnerability that could allow remote attackers to take complete control over email servers running BSD or Linux operating systems. OpenSMTPD, also known as OpenBSD SMTP Server, is an open-source implementation of the Simple Mail Transfer Protocol (SMTP) to deliver messages on a local machine or to relay them to other SMTP servers.…

Datum: 25. 2. 2020

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