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How to Prevent Pwned and Reused Passwords in Your Active Directory

How to Prevent Pwned and Reused Passwords in Your Active Directory

Nov 02, 2020
Many businesses are currently looking at how to bolster security across their organization as the pandemic and remote work situation continues to progress towards the end of the year. As organizations continue to implement security measures to protect business-critical data, there is an extremely important area of security that often gets overlooked –  passwords . Weak passwords have long been a security nightmare for your business. This includes reused and  pwned  passwords. What are these? What tools are available to help protect against their use in your environment? Different types of dangerous passwords There are many different types of dangerous passwords that can expose your organization to tremendous risk. One way that cybercriminals compromise environments is by making use of breached password data. This allows launching  password spraying  attacks on your environment. Password spraying involves trying only a few passwords against a large number of...
New NAT/Firewall Bypass Attack Lets Hackers Access Any TCP/UDP Service

New NAT/Firewall Bypass Attack Lets Hackers Access Any TCP/UDP Service

Nov 02, 2020
A new research has demonstrated a technique that allows an attacker to bypass firewall protection and remotely access any TCP/UDP service on a victim machine. Called  NAT Slipstreaming , the method involves sending the target a link to a malicious site (or a legitimate site loaded with malicious ads) that, when visited, ultimately triggers the gateway to open any TCP/UDP port on the victim, thereby circumventing browser-based port restrictions. The findings were revealed by privacy and security researcher Samy Kamkar over the weekend. "NAT Slipstreaming exploits the user's browser in conjunction with the Application Level Gateway (ALG) connection tracking mechanism built into NATs, routers, and firewalls by chaining internal IP extraction via timing attack or WebRTC, automated remote MTU and IP fragmentation discovery, TCP packet size massaging, TURN authentication misuse, precise packet boundary control, and protocol confusion through browser abuse," Kamkar said in ...
WARNING: Google Discloses Windows Zero-Day Bug Exploited in the Wild

WARNING: Google Discloses Windows Zero-Day Bug Exploited in the Wild

Nov 02, 2020
Google has disclosed details of a new zero-day privilege escalation flaw in the Windows operating system that's being actively exploited in the wild. The elevation of privileges (EoP) vulnerability, tracked as  CVE-2020-17087 , concerns a buffer overflow present since at least Windows 7 in the Windows Kernel Cryptography Driver ("cng.sys") that can be exploited for a sandbox escape. "The bug resides in the cng!CfgAdtpFormatPropertyBlock function and is caused by a 16-bit integer truncation issue," Google's Project Zero researchers Mateusz Jurczyk and Sergei Glazunov noted in their technical write-up. The security team made the details public following a seven-day disclosure deadline because of evidence that it's under active exploit. Project Zero has shared a proof-of-concept exploit (PoC) that can be used to corrupt kernel data and crash vulnerable Windows devices even under default system configurations. What's notable is that the exploit ch...
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Browser Bugs Exploited to Install 2 New Backdoors on Targeted Computers

Browser Bugs Exploited to Install 2 New Backdoors on Targeted Computers

Oct 30, 2020
Cybersecurity researchers have disclosed details about a new watering hole attack targeting the Korean diaspora that exploits vulnerabilities in web browsers such as Google Chrome and Internet Explorer to deploy malware for espionage purposes. Dubbed " Operation Earth Kitsune " by Trend Micro, the campaign involves the use of SLUB (for SLack and githUB) malware and two new backdoors —  dneSpy and agfSpy  — to exfiltrate system information and gain additional control of the compromised machine. The attacks were observed during the months of March, May, and September, according to the cybersecurity firm. Watering hole attacks allow a bad actor to compromise a targeted business by compromising a carefully selected website by inserting an exploit with an intention to gain access to the victim's device and infect it with malware. Operation Earth Kitsune is said to have deployed the spyware samples on websites associated with North Korea, although access to these websites...
KashmirBlack Botnet Hijacks Thousands of Sites Running On Popular CMS Platforms

KashmirBlack Botnet Hijacks Thousands of Sites Running On Popular CMS Platforms

Oct 29, 2020
An active botnet comprising hundreds of thousands of hijacked systems spread across 30 countries is exploiting "dozens of known vulnerabilities" to target widely-used content management systems (CMS). The "KashmirBlack" campaign, which is believed to have started around November 2019, aims for popular CMS platforms such as WordPress, Joomla!, PrestaShop, Magneto, Drupal, Vbulletin, OsCommerence, OpenCart, and Yeager. "Its well-designed infrastructure makes it easy to expand and add new exploits or payloads without much effort, and it uses sophisticated methods to camouflage itself, stay undetected, and protect its operation," Imperva researchers said in a  two-part   analysis . The cybersecurity firm's six-month-long investigation into the botnet reveals a complex operation managed by one command-and-control (C2) server and more than 60 surrogate servers that communicate with the bots to send new targets, allowing it to expand the size of the botn...
How to Run Google SERP API Without Constantly Changing Proxy Servers

How to Run Google SERP API Without Constantly Changing Proxy Servers

Oct 29, 2020
You've probably run into a major problem when trying to scrape Google search results. Web scraping tools allow you to extract information from a web page. Companies and coders from across the world use them to download Google's SERP data. And they work well – for a little while. After several scrapes, Google's automated security system kicks in. Then it kicks you out. The standard was to bypass the block is to use a proxy. However, each proxy only allows a limited number of scrapes. That's why Google SERP APIs are the perfect tool to overcome these limitations. This article examines how to overcome Google web scraping issues without changing proxy servers. Read on to learn more about web scraping. Discover the types of data you can extract. And how API web scraping tools can make your life a  lot  easier. What Is Web Scraping? Think of a website that you want to copy information from. How can you extract that data without entering the site on your browser and dow...
FBI, DHS Warn Of Possible Major Ransomware Attacks On Healthcare Systems

FBI, DHS Warn Of Possible Major Ransomware Attacks On Healthcare Systems

Oct 29, 2020
The US Federal Bureau of Investigation (FBI), Departments of Homeland Security, and Health and Human Services (HHS) issued a joint alert Wednesday warning of an "imminent" increase in ransomware and other cyberattacks against hospitals and healthcare providers. "Malicious cyber actors are targeting the [Healthcare and Public Health] Sector with TrickBot malware, often leading to ransomware attacks, data theft, and the disruption of healthcare services," the Cybersecurity and Infrastructure Security Agency  said  in its advisory. The infamous botnet typically spreads via malicious spam email to unsuspecting recipients and can steal financial and personal data and drop other software, such as ransomware, onto infected systems. It's worth noting that cybercriminals have already used TrickBot against a major healthcare provider,  Universal Health Services , whose systems were crippled by Ryuk ransomware late last month. TrickBot has also seen a severe  disrupt...
[Webinar and eBook]: Are You’re Getting The Best Value From Your EDR Solution?

[Webinar and eBook]: Are You're Getting The Best Value From Your EDR Solution?

Oct 28, 2020
Many companies rely on Endpoint Detection and Response (EDR) solutions as their primary security tool to protect their organizations against cyber threats. EDR was introduced around eight years ago, and analysts now peg the EDR market size as $1.5 to $2.0 billion in annual revenue globally, expecting it to quadruple over the next five years. The recent introduction of Extended Detection and Response (XDR) solutions, however, will certainly cut into a significant portion of that spend. A new provocative eBook: " 5 Questions to Determine: Is Your EDR Providing the Best Bang for Your Buck?"  ( Download here ) helps security executives who currently use an EDR solution determine if they're continuing to get their "bang for the buck" from their EDR provider when compared to newer, equally-priced technologies as XDR. It's also an excellent resource for companies who are in the steps of choosing an EDR solution to deploy. A live webinar around the same topic wi...
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