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Thoughts and Articles by Cyooda Security

To be or not to be a ciso

To be or not to be a CISO

Do you aspire to be a CISO? As a former CISO, I felt compelled to write this article after seeing many articles about the role of a CISO and opinions on how hard it is becoming. I’m uncertain whether many people today would actually aspire to be a CISO given the pressures, the demands of…
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Hidden Code

How To: Email Phishing, malicious payload analysis walkthrough

The other day I received a malicious phishing email with what appeared to be an invoice but in fact was a javascript embedded in an HTML document. So let’s get into it. Initial Inspection When I initially opened the document in my visual code editor it appeared as follows: The second line declares a variable…
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Data Security and AI

Data Security in the era of AI

In the era of AI, forward-thinking organisations need to adopt a new approach to protecting their most sensitive data. The growing volume of data and the propensity of its use means that organisations can no longer rely on traditional and manual data processing methods to manage unstructured data. The only way to manage data in the future will be with automation, and ironically AI.
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CyberChef

CyberChef : how to decode your data the easy way

Intro If you haven’t heard of CyberChef you may be thinking is a new robot being created to compete on the next series of “My Kitchen Rules” or go head to head with Gordon Ramsay on “Kitchen Nightmares”! Actually CyberChef or at least the one I’m referring to is actually a really cool tool developed…
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Cybersecurity Metrics

How to measure the success of your cybersecurity program

Being asked to present to the board and other key stakeholders in your business about the state of your cybersecurity program can be a daunting prospect. Putting aside the technical jargon can also be challenging for even the most seasoned security professional.
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Cyooda Security share their knowledge on how to build ransomware resilience

Ransomware Resilience: How to prepare and respond in a crisis

Are you prepared for a ransomware attack? What should you do if you become a victim? This guide provides some practical advice you need to know & do to survive.
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Cyber Security News from around the world

Backlogs at National Vulnerability Database prompt action from NIST and CISA

Backlogs at the US National Vulnerability Database (NVD), a critical source of information about security flaws in software, have reached crisis proportions, prompting federal agencies to seek help from the private sector.
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Singapore Cybersecurity Update Puts Cloud Providers on Notice

The nation amends its Cybersecurity Act, giving its primary cybersecurity agency more power to regulate critical infrastructure and third parties, and requiring cyber incidents be reported.
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Microsoft Windows DWM Zero-Day Poised for Mass Exploit

CVE-2024-30051, under active exploit, is the most concerning out of this month's Patch Tuesday offerings, and already being abused by several QakBot actors.
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Google Chrome emergency update fixes 6th zero-day exploited in 2024

Google has released emergency security updates for the Chrome browser to address a high-severity zero-day vulnerability tagged as exploited in attacks. [...]
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Botnet sent millions of emails in LockBit Black ransomware campaign

Since April, millions of phishing emails have been sent through the Phorpiex botnet to conduct a large-scale LockBit Black ransomware campaign. [...]
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Hackers use DNS tunneling for network scanning, tracking victims

Threat actors are using Domain Name System (DNS) tunneling to track when their targets open phishing emails and click on malicious links, and to scan networks for potential vulnerabilities. [...]
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Black Basta Ransomware Strikes 500+ Entities Across North America, Europe, and Australia

The Black Basta ransomware-as-a-service (RaaS) operation has targeted more than 500 private industry and critical infrastructure entities in North America, Europe, and Australia since its emergence in April 2022. In a joint advisory published by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Department of Health and Human Services (HHS
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Dissecting REMCOS RAT: An in-depth analysis of a widespread 2024 malware, Part One

This malware research article describes the REMCOS implant at a high level, and provides background for future articles in this multipart series.
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Siemens Working on Fix for Device Affected by Palo Alto Firewall Bug

Growing attacks targeting the flaw prompted CISA to include it in the known exploited vulnerabilities catalog earlier this month.
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Microsoft releases Exchange hotfixes for security update issues

Microsoft has released hotfix updates to address multiple known issues impacting Exchange servers after installing the March 2024 security updates. [...]
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Lessons for CISOs From OWASP’s LLM Top 10

It's time to start regulating LLMs to ensure they're accurately trained and ready to handle business deals that could affect the bottom line.
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Unmasking the True Cost of Cyberattacks: Beyond Ransom and Recovery

Cybersecurity breaches can be devastating for both individuals and businesses alike. While many people tend to focus on understanding how and why they were targeted by such breaches, there's a larger, more pressing question: What is the true financial impact of a cyberattack? According to research by Cybersecurity Ventures, the global cost of cybercrime is projected to reach
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German Authorities Issue Arrest Warrants for Three Suspected Chinese Spies

German authorities said they have issued arrest warrants against three citizens on suspicion of spying for China. The full names of the defendants were not disclosed by the Office of the Federal Prosecutor (aka Generalbundesanwalt), but it includes Herwig F., Ina F., and Thomas R. "The suspects are strongly suspected of working for a Chinese secret service since an unspecified
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Microsoft: APT28 hackers exploit Windows flaw reported by NSA

Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]
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Synlab Italia suspends operations following ransomware attack

Synlab Italia has suspended all its medical diagnostic and testing services after a ransomware attack forced its IT systems to be taken offline. [...]
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Russian Sandworm hackers targeted 20 critical orgs in Ukraine

Russian hacker group Sandworm aimed to disrupt operations at around 20 critical infrastructure facilities in Ukraine, according to a report from the Ukrainian Computer Emergency Response Team (CERT-UA). [...]
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Multiple LastPass Users Lose Master Passwords to Ultra-Convincing Scam

CryptoChameleon attackers trade quantity for quality, dedicating time and resources to trick even the most diligent user into handing over their high-value credentials.
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Attackers Using Obfuscation Tools to Deliver Multi-Stage Malware via Invoice Phishing

Cybersecurity researchers have discovered an intricate multi-stage attack that leverages invoice-themed phishing decoys to deliver a wide range of malware such as Venom RAT, Remcos RAT, XWorm, NanoCore RAT, and a stealer that targets crypto wallets. The email messages come with Scalable Vector Graphics (SVG) file attachments that, when clicked, activate the infection sequence, Fortinet
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Vietnamese Cybercrime Group CoralRaider Nets Financial Data

With a complex attack chain and using Telegram for its command and control, CoralRaider targets victims in Asian countries — and appears to have accidentally infected itself as well.
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Targus discloses cyberattack after hackers detected on file servers

Laptop and tablet accessories maker Targus disclosed that it suffered a cyberattack disrupting operations after a threat actor gained access to the company's file servers. [...]
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