google security warning on android

1. Deployment security: The application must use a digital certificate to install to the device.2. Security during execution: 2.1 Using stand-alone process 2.2 using a fixed unique user ID 2.3 Declaration of Rights Model 3 digital certificate 3.1. Usefulness of digital certificates: using digital certificatesto sign an appPrevents the application from being updated illegally (only the same digital certifica

Botnets generally refers to a large illegal network of desktops or laptops infected with malware. They are often used to attack other devices on the network or send a large amount of spam. Recently, researchers Terry Zink found evidence that Android devices began to use Yahoo Mail to send spam. Terry accidentally found that a typical spam email from Yahoo Mail Server contains the following information string: Message-ID: In addition,"Sent from Yah

Android reproduce security vulnerabilities, and hackers can use lengthy characters to crack them. Many security vulnerabilities on smartphones are related to screen locking. However, this new vulnerability directly bypasses the vulnerability to hack into the mobile phone. A hacker discovered that in the Android 5.x Lo

card read and write permissions. By implementing an Android application to monitor both of these permissions, the same log output module is used for processing, so that the behavior information detected in both detection modes can be integrated into aTo facilitate future analysis. The monitoring of network access is implemented using the Trafficstats class provided by the system. Google has a good package

Release date: 2011-08-02Updated on: 2011-08-02 Affected Systems:Android Open Handset Alliance Android 3.xDescription:--------------------------------------------------------------------------------Cve id: CVE-2011-2357 Android is a project launched by Google through Open Handset Alliance. It is used to provide a complete set of software for mobile devices, incl

= trustmanagerfactory.getinstance ("X509"); - theTmf.init ((KeyStore)NULL); * $ for(TrustManager trustManager:tmf.getTrustManagers ()) {Panax Notoginseng - ((X509trustmanager) trustmanager). checkservertrusted (chain, authtype); the + } A the}Catch(Exception e) { + - Throw Newcertificateexception (e); $ $ } - - //Hack Ahead:biginteger and ToString (). We k

=NewBigInteger (1/*Positive*/, pubkey.getencoded ()). ToString (16);55 56//Pin It!57 58Final Booleanexpected =pub_key.equalsignorecase (encoded);59 60if(!expected) {61 62Throw NewCertificateexception ("checkservertrusted:expected public key:" + Pub_key + ", got public key:" +encoded);63 64 }65 66 }67 68}2 Certificate Locking: The issuing of public key certificates for the client is stored in the mobile client (using KeyStore), when HTTPS communication, in the client code to secure t

Fully encrypted (full Disk encryption, FDE)High performance degradation for all flash data encryptionNexus 6,nexus 9 cannot shut down FdeFor other devices, Google recommends openingMulti-user support4.2 has joined the multi-user support for the tablet, but the user configuration is too cumbersome, 4.3 has improved, 5.0 added support for the phoneThe user is divided into four categories: Owner, Normal, Restricted, GuestNormal user cannot see the app in