For the safe copying of files between a local and a remote computer, WinSCP is the client you need. This popular open source FTP and SFTP client for Windows has just been updated to WinSCP 5.5.4

The software has many features, including; Legacy SCP protocol support and the software integrates with Pageant (PuTTY authentication agent) for full support of public key authentication with SSH.  Batch file scripting and command-line interface. Optionally support portable operation using a configuration file in place of registry entries, suitable for operation from removable media.

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Other main features include; a smart GUI, U3 support, Support for SFTP and SCP protocols over SSH-1 and SSH-2 and FTP protocol, support for SSH password, keyboard-interactive, public key and Kerberos (GSS) authentication.

winscp

This software update includes the follwing changes and fixes:

TLS/SSL core upgraded to OpenSSL 1.0.1h. It fixes CVE-2014-0224 vulnerability among other.
Added SessionOptions.TimeoutInMilliseconds as an alternative to SessionOptions.Timeout that can be used from COM hosts not supporting 64-bit integers (such as VBA).
Support for size and time constraints in wildcard parameter of ls command.
Using Documents and Desktop subfolders of home directory, if exist, as “Document” and “Desktop” folders under Wine.
Incremental site search is case sensitive when search text includes any capital letter.
Support OS.unix=symlink designation of symbolic links in MLSD listing.
Bug fix: Show inaccessible directories option was incorrectly hiding folders from root.
Bug fix: Sorting by type is not consistent between local and remote panel.
Bug fix: Passphrase prompt is missing an option to remember it for the duration of a session.
Bug fix: During command-line operation, hidden main window is incorrectly shown when restoring application from tray.
Bug fix: Mouse range selection does not start from focused file after passive panel directory reload.
Bug fix: SynchronizationCriteria.None and SynchronizationCriteria.Either are not working.
Bug fix: Invalid proxy autodetection when system Internet Option Use the same proxy for all protocols is turned off.
Bug fix: Error when using source path ending with backslash with put command.
Bug fix: Some certificate errors did not show any description.
Bug fix: When remembering session password is enabled, stored password is used twice, even for two distinct consecutive keyboard-interactive prompts.
Bug fix: FTP proxy session setting is not logged.
Bug fix: Failure when current local directory is deleted while no session is opened.
Bug fix: Connection attempt could not be canceled.
Bug fix: Tree of current directory on network drive is not refreshed.
Bug fix: Number of filtered local directories were not shown in status bar.
Bug fix: Wrong reason is given when checking for application updates fail.

WinSCP 5.5.4 is available to download now from FileHippo.