Search: “Let's Encrypt”

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CategoryAll Malware 400 Vulnerability 400 Ransomware 391 Exploit / PoC 253 Data breach 207 Policy & legal 174 Industry 142 Threat actor 113 Phishing & fraud 100 Research 42 AI safety & security 23 AI tools & infra 23 AI industry 19 Tools 13

SeverityAll critical 909 high 598 medium 434 low 293 info 90

Let's Encrypt CA is revoking over 3 Million TLS certificates due to a bug

Security AffairsMar 4, 11:16 UTC · Mar 4, 2020Vulnerability

30

Let's Encrypt Vulnerability

Schneier on SecurityMar 4, 06:46 UTC · Mar 4, 2020Vulnerability

30

Friday Squid Blogging: Squid from Utensils

Schneier on SecurityJan 27, 14:17 UTC · Jan 27, 2020Vulnerability

42

Flaws in Popular Self-Encrypting SSDs Let Attackers Decrypt Data

The Hacker NewsNov 8, 19:09 UTC · Nov 8, 2018Vulnerability

55

GnuPG Flaw in Encryption Tools Lets Attackers Spoof Anyone's Signature

The Hacker NewsJun 15, 00:00 UTC · Jun 15, 2018Vulnerability CVE-2018-12020

60

New Linux Bug Lets Attackers Hijack Encrypted VPN Connections

The Hacker NewsDec 6, 11:26 UTC · Dec 6, 2019Vulnerability CVE-2019-14899

35

DUHK Attack Lets Hackers Recover Encryption Key Used in VPNs & Web Sessions

The Hacker NewsOct 24, 18:08 UTC · Oct 24, 2017Vulnerability

30

Week in review: Fully patched FortiGate firewalls are getting compromised, attackers probe Cisco RCE flaw

Help Net SecurityJan 25, 00:00 UTC · Jan 25, 2026Vulnerability CVE-2026-20045 CVE-2025-59718

60

New Bluetooth Vulnerability Lets Attackers Spy On Encrypted Connections

The Hacker NewsAug 15, 00:00 UTC · Aug 15, 2019Vulnerability CVE-2019-9506

47

Google, Linux Foundation, Red Hat release free tool to secure software supply chains

The RecordNov 17, 00:00 UTC · Nov 17, 2022Vulnerability

55

New Attack Lets Hackers Decrypt VoLTE Encryption to Spy on Phone Calls

The Hacker NewsAug 15, 00:00 UTC · Aug 15, 2020Vulnerability

30

New Raccoon Attack Could Let Attackers Break SSL/TLS Encryption

The Hacker NewsSep 15, 00:00 UTC · Sep 15, 2020Vulnerability CVE-2020-5929

35

Half of Alexa Top 1 Million sites now use HTTPS

Help Net SecurityAug 29, 00:00 UTC · Aug 29, 2018Vulnerability

30

Friday Squid Blogging: Giant Squid Caught Off the Coast of Ireland

Schneier on SecurityJan 29, 08:02 UTC · Jan 29, 2020Vulnerability

30

ThreatsDay Bulletin: Pixel Zero-Click, Redis RCE, China C2s, RAT Ads, Crypto Scams & 15+ Stories

The Hacker NewsJan 24, 08:04 UTC · Jan 24, 2026Vulnerability

55

Weekly Update 135

Troy HuntApr 19, 06:57 UTC · Apr 19, 2019Vulnerability

30

Friday Squid Blogging: Strawberry Squid

Schneier on SecurityOct 8, 21:25 UTC · Oct 8, 2021Vulnerability

30

Ghidra: NSA's Reverse-Engineering Tool

Schneier on SecurityJan 27, 14:39 UTC · Jan 27, 2020Vulnerability

42

Thunderbird 150 arrives with encrypted message search and OpenPGP improvements

Help Net SecurityApr 21, 00:00 UTC · Apr 21, 2026Vulnerability

30

OWASP Top 10 for .NET developers part 9: Insufficient Transport Layer Protection

Troy HuntNov 28, 00:00 UTC · Nov 28, 2011Vulnerability

30

9 Tips to Prevent WordPress Hacks in this Dangerous Digital World

Security AffairsFeb 7, 13:50 UTC · Feb 7, 2018Vulnerability

30

On the Cyber Safety Review Board

Schneier on SecurityAug 6, 17:10 UTC · Aug 6, 2024Vulnerability

30

Russian hackers exploit unpatched Zimbra servers to steal emails

Help Net SecurityJul 24, 00:00 UTC · Jul 24, 2026Vulnerability CVE-2025-66376

35

Oracle PeopleSoft RCE Flaw Used as Zero

Security AffairsJun 12, 10:49 UTC · Jun 12, 2026Vulnerability CVE-2026-352731

60

Russia-Nexus UAC-0113 Emulating Telecommunication Providers in Ukraine

Recorded FutureAug 22, 00:00 UTC · Aug 22, 2025Vulnerability

42

PurpleUrchin Bypasses CAPTCHA and Steals Cloud Platform Resources

Palo Alto Unit 42Jun 5, 16:59 UTC · Jun 5, 2024Vulnerability

30

Researchers Uncover Wiretapping of XMPP

The Hacker NewsOct 30, 03:13 UTC · Oct 30, 2023Vulnerability CVE-2022-43677

60

New Bluetooth Vulnerability Exposes Billions of Devices to Hackers

The Hacker NewsMay 21, 07:02 UTC · May 21, 2020Vulnerability

30

Here's Why Your Static Website Needs HTTPS

Troy HuntJul 13, 07:22 UTC · Jul 13, 2018Vulnerability CVE-2018-12529

60

The Capgemini leak of Michael Page data via publicly facing database backup

Troy HuntNov 11, 21:42 UTC · Nov 11, 2016Vulnerability

30

40 Open-Source Tools Redefining How Security Teams Secure The Stack

Help Net SecurityDec 11, 00:00 UTC · Dec 11, 2025Vulnerability

42

Week in review: 300k+ Plex Media Server instances still vulnerable to attack, exploited Git RCE flaw

Help Net SecurityAug 31, 00:00 UTC · Aug 31, 2025Vulnerability CVE-2025-34158 CVE-2025-48384 CVE-2025-7775

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Hottest cybersecurity open-source tools of the month: August 2025

Help Net SecurityAug 27, 00:00 UTC · Aug 27, 2025Vulnerability

30

New Wi-Fi Encryption Vulnerability Affects Over A Billion Devices

The Hacker NewsFeb 26, 18:15 UTC · Feb 26, 2020Vulnerability CVE-2019-15126

47

Why privacy in blockchain must start with open source

Help Net SecurityMay 30, 00:00 UTC · May 30, 2025Vulnerability

42

Three Tips to Protect Your Secrets from AI Accidents

The Hacker NewsFeb 26, 10:29 UTC · Feb 26, 2024Vulnerability

42

KNOB attack threatens over a billion Bluetooth

Security AffairsAug 15, 06:24 UTC · Aug 15, 2019Vulnerability CVE-2019-9506

35

AirDrop and Quick Share Flaws Let Nearby Attackers Trigger Crashes and Bypass Checks

The Hacker NewsJun 30, 09:27 UTC · Jun 30, 2026Vulnerability CVE-2024-38271 CVE-2024-38272 CVE-2024-106681

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Using Firepower to defend against encrypted RDP attacks like BlueKeep

Cisco TalosMay 31, 20:23 UTC · May 31, 2019Vulnerability CVE-2019-0708

60

Study of 281 Free Android VPN Apps Finds Traffic Leaks, Unencrypted Data, and Tracking

The Hacker NewsJul 12, 07:34 UTC · Jul 12, 2026Vulnerability CVE-2016-6329 CVE-2016-2183

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