The hottest Vulnerabilities Substack posts right now

And their main takeaways
Category
Top Technology Topics

Risky Biz News: SVR hackers breach Microsoft, steal emails from the security team

Risky Business News • 0 implied HN points • 22 Jan 24
🕹 Technology Cybersecurity Incidents Software Tools Vulnerabilities
  1. Russian hackers breached Microsoft and stole emails from senior leadership and cybersecurity teams.
  2. Microsoft faced criticism for the timing and handling of the breach disclosure.
  3. Several other security incidents and breaches were reported, showcasing ongoing cyber threats and vulnerabilities.

Risky Biz News: Congress considers making CSRB permanent and more independent and transparent

Risky Business News • 0 implied HN points • 19 Jan 24
🕹 Technology Cybersecurity Vulnerabilities Malware Incident Response
  1. Congress is considering making the CSRB permanent and more independent and transparent for cybersecurity issues.
  2. Various cybersecurity incidents occurred, such as DDoS attacks in Switzerland and cyberattacks on companies like Kyivstar.
  3. Important developments include new Samsung phones promising 7 years of security updates and Google updating Chrome Incognito Mode text.

Risky Biz News: Cybercrime crew infects 172,000 smart TVs and set-top boxes

Risky Business News • 0 implied HN points • 17 Jan 24
🕹 Technology Cybersecurity Vulnerabilities Malware Government Tech news
  1. A cybercrime group infected 172,000 smart TVs and set-top boxes to carry out DDoS attacks.
  2. Bigpanzi botnet targeted Spanish and Portuguese-speaking users by spreading malware through social engineering.
  3. The security industry faces challenges like unpatched vulnerabilities in SonicWall firewalls and sophisticated malware targeting various platforms.

Risky Biz News: Chinese APT exploits two Pulse Secure zero-days

Risky Business News • 0 implied HN points • 12 Jan 24
🕹 Technology Security Malware Cybercrime Vulnerabilities Infosec Industry
  1. Chinese state-sponsored hacking group exploited two zero-days in Ivanti Connect Secure VPN appliances.
  2. FTC banned data broker Outlogic from selling precise location data of American citizens due to privacy violations.
  3. A member of the ShinyHunters hacking group was sentenced to three years in prison for hacking and selling data on underground forums.
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Risky Biz News: Ransomware wrecks Paraguay's largest telco

Risky Business News • 0 implied HN points • 10 Jan 24
🕹 Technology Cybersecurity Software Hackers Privacy Vulnerabilities
  1. A ransomware attack on Tigo, Paraguay's largest telco, impacted 300 servers and 300 companies.
  2. Ransomware group BlackHunt breached victims via unsecured RDP connections and is known for data encryption and theft.
  3. Dutch Police arrested a developer of the Babuk Tortilla ransomware, obtaining decryption keys and sharing them with Avast and Cisco Talos.

Risky Biz News: Turkish APT group Sea Turtle returns

Risky Business News • 0 implied HN points • 08 Jan 24
🕹 Technology Cybersecurity Malware Vulnerabilities Acquisitions Tools
  1. Hackers associated with the Turkish government in the Sea Turtle group have resumed cyber-espionage operations targeting governments and IT service providers.
  2. Recent cyber incidents include Russian hackers targeting Ukraine, hacks in the telecom sector, and cyberattacks on US museums and crypto platforms.
  3. New malware discoveries, ransomware attacks, and cybercrime incidents underscore the importance of strong passwords, security updates, and vigilance against cyber threats.

The Why of Security Red Teams

Locks and Leaks • 0 implied HN points • 29 Jun 23
🕹 Technology Security Red-Teaming Vulnerabilities Budgeting
  1. Red Teaming is essential for organizations with high-value assets, significant threats, or discovered vulnerabilities to test and strengthen their security measures proactively.
  2. Red Teams assess threat actors tactics, uncover vulnerabilities, address organizational hubris, challenge security assumptions, and protect business and assets through rigorous testing.
  3. Red Teaming is not just a tool but a philosophy that promotes critical thinking to improve security measures, ensure defense readiness, and make informed decisions to safeguard organizations and valuable resources.

AI safety summit, Tech coalition, Spyware breach, Microsoft Recall, Chrome Zero days, and more

Secure GenAI • 0 implied HN points • 26 May 24
🕹 Technology AI Cybersecurity Privacy Vulnerabilities
  1. An ongoing sophisticated social engineering campaign targets enterprises with spam emails and phone calls, compromising corporate networks by installing malicious software.
  2. Leading tech companies like Match Group, Meta, and Coinbase have formed the 'Tech Against Scams' coalition to combat online fraudulent activities and protect consumers.
  3. Spyware, like pcTattletale, found in US hotel check-in systems, and breaches like those affecting Cencora's patient data, highlight significant cybersecurity risks in various sectors.

Advisory: security issues in AWS KMS and AWS Encryption SDKs

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 25 Sep 20
🕹 Technology Security Encryption Vulnerabilities
  1. Security vulnerabilities in AWS KMS and AWS Encryption SDKs included information leakage, ciphertext forgery, and robustness issues.
  2. The vulnerabilities required the release of a new version, 2.0.0, for fixes, highlighting the importance of regularly updating software for security measures.
  3. The vulnerabilities exposed potential attacks related to ciphertext decryption, key replacement, and non-committing property issues, emphasizing the critical need for secure encryption practices.

Lỗ hổng WPA2/WiFi mới: khó khai thác, không nguy hiểm, không nên hoảng hốt

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Oct 17
🕹 Technology Cybersecurity Vulnerabilities
  1. The WPA2/WiFi vulnerabilities disclosed are difficult to exploit and not very dangerous, so there's no need to panic or stop using WPA2 WiFi.
  2. Attackers need to be physically close to control the WiFi signal between the victim's device and the router, making this method less attractive compared to other easier attack methods.
  3. Even if data is decrypted, sensitive information like Gmail, Facebook, or bank account credentials are not exposed, as they are encrypted with different standards not related to WiFi.

Flickr's API Signature Forgery Vulnerability

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 14 Sep 09
🕹 Technology Security Vulnerabilities APIs Cybersecurity
  1. Flickr's API has a vulnerability in its signing process that allows attackers to forge valid requests without the shared secret, potentially granting unauthorized access to user accounts.
  2. Web services similar to Flickr that use the same signing process could also be potentially vulnerable to the signature forgery attack.
  3. Vendor Yahoo! Flickr acknowledged the vulnerability and planned a fix, while other vendors responded differently to notifications about the issue, suggesting an inconsistency in addressing such vulnerabilities.

CodeGate 2009's Challenge 18 - Diffie-Hellman parameter tampering case study

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 12 Mar 09
🕹 Technology Cryptography Cybersecurity Vulnerabilities
  1. CodeGate 2009 Challenge 18 involved a cryptography challenge focusing on RSA, Diffie-Hellman Key Protocol Agreement, and AES block cipher.
  2. The protocol in the challenge included steps where the client exchanged RSA public keys with the server, the server sent DH parameters to the client, and both parties used the shared secret as the key for AES encryption.
  3. Vulnerabilities in the protocol included weak RSA public-keys and susceptibility to Man-In-The-Middle attacks against Diffie-Hellman, leading to the decryption of messages by malicious third parties.

Scary attacks

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Mar 08
🕹 Technology Cybersecurity Data Breaches Malware Vulnerabilities Phishing
  1. Highly targeted and technically advanced attacks can be carried out by well-funded and motivated individuals or groups.
  2. In practice, these attacks may involve the use of forged email headers, exploits within documents, keyloggers, and DNS-bouncer systems.
  3. The attackers may craft their exploits to evade detection by antivirus products, making the attacks harder to detect and defend against.

Microsoft sửa 9 lổ hổng

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 15 Nov 06
🕹 Technology Security Software Updates Vulnerabilities
  1. Microsoft fixed 9 security vulnerabilities across different services and software like Internet Explorer and Adobe Flash Player.
  2. Some of the vulnerabilities could allow remote code execution or result in denial of service, emphasizing the critical need for prompt patching.
  3. Users are advised to update their systems using Microsoft Update or Automatic Updates, while system administrators can use WSUS or SUS for centralized patch distribution.

Cyber Security Firm Discloses Four Critical Vulnerabilities That Affect Millions of Apps on the Apple Platform

Apple Wire • 0 implied HN points • 03 Jul 24
🕹 Technology Cyber Security Software Development Open Source Information Security Vulnerabilities
  1. CocoaPods, a tool used by many Apple apps, has serious security flaws that could let hackers inject harmful code into millions of apps. This is a big issue because it affects about 3 million applications.
  2. The vulnerabilities allow attackers to access sensitive information on users' devices, like private messages and medical info. This shows how valuable open-source code can be when it's not properly secured.
  3. It's important for developers to be cautious about third-party code and regularly check their dependencies. They should make sure they're using well-maintained libraries and avoid unclaimed or orphaned code to keep their apps safe.

Important Vulnerabilities

Vigilainte Newsletter • 0 implied HN points • 22 Aug 24
🕹 Technology Cybersecurity Vulnerabilities Software Updates Security risks
  1. There's a serious security flaw in the GiveWP WordPress plugin that lets hackers run harmful code. Updating to the latest version can fix this problem.
  2. FastAdmin has a vulnerability that can expose sensitive files due to bad handling of inputs. Upgrading to the new version is crucial to protect your information.
  3. Kubernetes Ingress-NGINX is at risk from a bug that could give attackers control of the system. Make sure to update to the latest version to keep your cluster safe.

What do you mean there isn't a patch?

Resilient Cyber • 0 implied HN points • 10 Jan 23
🕹 Technology Cybersecurity Software Vulnerabilities Network Security Web applications
  1. Sometimes software has vulnerabilities that don’t have a fix available. Companies might struggle to issue patches due to resource limits or internal priorities.
  2. When a direct patch isn't available, businesses can use virtual patching. This means putting up barriers to stop attacks, like using Web Application Firewalls (WAF).
  3. It's important to plan for virtual patching and keep checking your systems. While virtual patches help, they are temporary solutions, so long-term fixes are necessary.