Search: “PDF Viewer”

20 stories

Searchkeyword smart Sortlatest hot importance relevance

DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Malware 36 Vulnerability 20 Threat actor 15 Ransomware 10 Exploit / PoC 10 Phishing & fraud 6 Policy & legal 3 Data breach 3 Industry 2 AI research 1

SeverityAll critical 20 high 47 medium 31 low 7 info 1

PDF viewers, online validation services vulnerable to digital signature spoofing attacks

Help Net SecurityApr 22, 12:08 UTC · Apr 22, 2025Vulnerability

30

Hacking Digitally Signed PDF Files

Schneier on SecurityMar 12, 22:20 UTC · Mar 12, 2021Vulnerability

30

Zero-Click iMessage Exploit

Schneier on SecuritySep 17, 11:09 UTC · Sep 17, 2021Vulnerability

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Thunderbird 150 arrives with encrypted message search and OpenPGP improvements

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

30

Experts devised 3 attacks to deceive digital signature verification process

Security AffairsFeb 27, 11:12 UTC · Feb 27, 2019Vulnerability

30

Shadow attacks allow replacing content in signed PDF files

Security AffairsJul 27, 05:57 UTC · Jul 27, 2020Vulnerability CVE-2020-9592 CVE-2020-9596

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These 2 attacks allow to alter certified PDF Documents

Security AffairsMay 30, 14:33 UTC · May 30, 2021Vulnerability CVE-2020-35931 CVE-2021-28545 CVE-2021-28546+1 CVEs

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Shadow Attacks Let Attackers Replace Content in Digitally Signed PDFs

The Hacker NewsFeb 23, 10:46 UTC · Feb 23, 2021Vulnerability CVE-2020-9592 CVE-2020-9596 CVE-2020-28352+3 CVEs

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Microsoft fixes 25 critical issues in August Patch Tuesday

Help Net SecurityAug 9, 00:00 UTC · Aug 9, 2017Vulnerability in the wildCVE-2017-8691 CVE-2017-0293 CVE-2017-8620

60

How Malicious Android Apps Slip Into Disguise

Krebs on SecurityAug 3, 12:51 UTC · Aug 3, 2023Vulnerability

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Using virtualization to isolate risky applications and other endpoint threats

Help Net SecurityJun 14, 11:08 UTC · Jun 14, 2022Vulnerability

42

Critical Bug in Mozilla’s NSS Crypto Library Potentially Affects Several Other Software

The Hacker NewsDec 3, 03:40 UTC · Dec 3, 2021Vulnerability CVE-2021-43527

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Mozilla fixes critical flaw in Network Security Services cryptography library

Security AffairsDec 2, 05:27 UTC · Dec 2, 2021Vulnerability CVE-2021-43527

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Patch Tor Browser Bug to Prevent Tracking of Your Online Activities

The Hacker NewsJun 23, 08:54 UTC · Jun 23, 2021Vulnerability CVE-2021-32666 CVE-2021-32683

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APT trends report Q2 2020

Kaspersky SecurelistJul 29, 10:00 UTC · Jul 29, 2020Vulnerability CVE-2019-10149

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“This site may harm your computer”. How to recognize and defeat website infections

Kaspersky SecurelistSep 18, 12:42 UTC · Sep 18, 2012Vulnerability

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Alfresco Claims Management solution helps clients modernize their claims processes

Help Net SecurityJun 25, 00:00 UTC · Jun 25, 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

Attacks on industrial enterprises using RMS and TeamViewer

Kaspersky SecurelistAug 1, 10:00 UTC · Aug 1, 2018Vulnerability

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The BlueNoroff cryptocurrency hunt is still on

Kaspersky SecurelistJan 13, 09:00 UTC · Jan 13, 2022Vulnerability CVE-2017-0199

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